From 4d20d6874c418f596c576cea48985de6ef3a3dd2 Mon Sep 17 00:00:00 2001
From: Veikka Tuominen <git@vexu.eu>
Date: Sat, 16 Jul 2022 01:50:32 +0300
Subject: [PATCH] move passing safety tests to stage2

---
 src/AstGen.zig                                    |  3 +--
 ...rrSetCast error not present in destination.zig | 10 ++++++----
 test/cases/safety/@intCast to u0.zig              | 10 ++++++----
 ... zero to non-optional byte-aligned pointer.zig |  8 +++++---
 ...ToPtr address zero to non-optional pointer.zig |  8 +++++---
 test/cases/safety/calling panic.zig               |  4 ++--
 ...nteger to global error and no code matches.zig | 10 ++++++----
 .../safety/intToPtr with misaligned address.zig   |  2 +-
 test/cases/safety/integer addition overflow.zig   |  2 +-
 .../safety/integer multiplication overflow.zig    | 10 ++++++----
 test/cases/safety/integer negation overflow.zig   | 10 ++++++----
 .../cases/safety/integer subtraction overflow.zig | 10 ++++++----
 .../optional unwrap operator on C pointer.zig     |  8 +++++---
 .../optional unwrap operator on null pointer.zig  |  8 +++++---
 test/cases/safety/out of bounds slice access.zig  | 10 ++++++----
 test/cases/safety/signed shift left overflow.zig  | 10 ++++++----
 test/cases/safety/truncating vector cast.zig      |  2 +-
 test/cases/safety/unreachable.zig                 | 15 +++++++++++++++
 ...in cast to signed integer - same bit count.zig | 10 ++++++----
 .../cases/safety/unsigned shift left overflow.zig | 10 ++++++----
 test/cases/safety/unsigned-signed vector cast.zig |  2 +-
 test/cases/safety/unwrap error.zig                |  4 ++--
 ...value does not fit in shortening cast - u0.zig | 10 ++++++----
 .../value does not fit in shortening cast.zig     | 10 ++++++----
 .../safety/vector integer addition overflow.zig   | 10 ++++++----
 .../vector integer multiplication overflow.zig    | 10 ++++++----
 .../safety/vector integer negation overflow.zig   | 10 ++++++----
 .../vector integer subtraction overflow.zig       | 10 ++++++----
 28 files changed, 140 insertions(+), 86 deletions(-)
 create mode 100644 test/cases/safety/unreachable.zig

diff --git a/src/AstGen.zig b/src/AstGen.zig
index af0fac04f1..a0ba743c4e 100644
--- a/src/AstGen.zig
+++ b/src/AstGen.zig
@@ -6504,8 +6504,7 @@ fn ret(gz: *GenZir, scope: *Scope, node: Ast.Node.Index) InnerError!Zir.Inst.Ref
         },
         .always => {
             // Value is always an error. Emit both error defers and regular defers.
-            const result = if (rl == .ptr) try gz.addUnNode(.load, rl.ptr, node) else operand;
-            const err_code = try gz.addUnNode(.err_union_code, result, node);
+            const err_code = if (rl == .ptr) try gz.addUnNode(.load, rl.ptr, node) else operand;
             try genDefers(gz, defer_outer, scope, .{ .both = err_code });
             try gz.addRet(rl, operand, node);
             return Zir.Inst.Ref.unreachable_value;
diff --git a/test/cases/safety/@errSetCast error not present in destination.zig b/test/cases/safety/@errSetCast error not present in destination.zig
index 5bb92f4f28..bf4dee8421 100644
--- a/test/cases/safety/@errSetCast error not present in destination.zig	
+++ b/test/cases/safety/@errSetCast error not present in destination.zig	
@@ -1,9 +1,11 @@
 const std = @import("std");
 
 pub fn panic(message: []const u8, stack_trace: ?*std.builtin.StackTrace) noreturn {
-    _ = message;
     _ = stack_trace;
-    std.process.exit(0);
+    if (std.mem.eql(u8, message, "invalid error code")) {
+        std.process.exit(0);
+    }
+    std.process.exit(1);
 }
 const Set1 = error{A, B};
 const Set2 = error{A, C};
@@ -15,5 +17,5 @@ fn foo(set1: Set1) Set2 {
     return @errSetCast(Set2, set1);
 }
 // run
-// backend=stage1
-// target=native
\ No newline at end of file
+// backend=llvm
+// target=native
diff --git a/test/cases/safety/@intCast to u0.zig b/test/cases/safety/@intCast to u0.zig
index 7d51fdec25..0f38d59e50 100644
--- a/test/cases/safety/@intCast to u0.zig	
+++ b/test/cases/safety/@intCast to u0.zig	
@@ -1,9 +1,11 @@
 const std = @import("std");
 
 pub fn panic(message: []const u8, stack_trace: ?*std.builtin.StackTrace) noreturn {
-    _ = message;
     _ = stack_trace;
-    std.process.exit(0);
+    if (std.mem.eql(u8, message, "integer cast truncated bits")) {
+        std.process.exit(0);
+    }
+    std.process.exit(1);
 }
 
 pub fn main() !void {
@@ -16,5 +18,5 @@ fn bar(one: u1, not_zero: i32) void {
     _ = x;
 }
 // run
-// backend=stage1
-// target=native
\ No newline at end of file
+// backend=llvm
+// target=native
diff --git a/test/cases/safety/@intToPtr address zero to non-optional byte-aligned pointer.zig b/test/cases/safety/@intToPtr address zero to non-optional byte-aligned pointer.zig
index ac781dc53f..a3b7f374ce 100644
--- a/test/cases/safety/@intToPtr address zero to non-optional byte-aligned pointer.zig	
+++ b/test/cases/safety/@intToPtr address zero to non-optional byte-aligned pointer.zig	
@@ -1,9 +1,11 @@
 const std = @import("std");
 
 pub fn panic(message: []const u8, stack_trace: ?*std.builtin.StackTrace) noreturn {
-    _ = message;
     _ = stack_trace;
-    std.process.exit(0);
+    if (std.mem.eql(u8, message, "cast causes pointer to be null")) {
+        std.process.exit(0);
+    }
+    std.process.exit(1);
 }
 pub fn main() !void {
     var zero: usize = 0;
@@ -12,5 +14,5 @@ pub fn main() !void {
     return error.TestFailed;
 }
 // run
-// backend=stage1
+// backend=llvm
 // target=native
diff --git a/test/cases/safety/@intToPtr address zero to non-optional pointer.zig b/test/cases/safety/@intToPtr address zero to non-optional pointer.zig
index f8fd53eb97..8724e98131 100644
--- a/test/cases/safety/@intToPtr address zero to non-optional pointer.zig	
+++ b/test/cases/safety/@intToPtr address zero to non-optional pointer.zig	
@@ -1,9 +1,11 @@
 const std = @import("std");
 
 pub fn panic(message: []const u8, stack_trace: ?*std.builtin.StackTrace) noreturn {
-    _ = message;
     _ = stack_trace;
-    std.process.exit(0);
+    if (std.mem.eql(u8, message, "cast causes pointer to be null")) {
+        std.process.exit(0);
+    }
+    std.process.exit(1);
 }
 pub fn main() !void {
     var zero: usize = 0;
@@ -12,5 +14,5 @@ pub fn main() !void {
     return error.TestFailed;
 }
 // run
-// backend=stage1
+// backend=llvm
 // target=native
diff --git a/test/cases/safety/calling panic.zig b/test/cases/safety/calling panic.zig
index 5befea3e3c..29f3a6c663 100644
--- a/test/cases/safety/calling panic.zig	
+++ b/test/cases/safety/calling panic.zig	
@@ -12,5 +12,5 @@ pub fn main() !void {
     return error.TestFailed;
 }
 // run
-// backend=stage1
-// target=native
\ No newline at end of file
+// backend=llvm
+// target=native
diff --git a/test/cases/safety/cast integer to global error and no code matches.zig b/test/cases/safety/cast integer to global error and no code matches.zig
index 3a8dc2374f..d423704039 100644
--- a/test/cases/safety/cast integer to global error and no code matches.zig	
+++ b/test/cases/safety/cast integer to global error and no code matches.zig	
@@ -1,9 +1,11 @@
 const std = @import("std");
 
 pub fn panic(message: []const u8, stack_trace: ?*std.builtin.StackTrace) noreturn {
-    _ = message;
     _ = stack_trace;
-    std.process.exit(0);
+    if (std.mem.eql(u8, message, "invalid error code")) {
+        std.process.exit(0);
+    }
+    std.process.exit(1);
 }
 pub fn main() !void {
     bar(9999) catch {};
@@ -13,5 +15,5 @@ fn bar(x: u16) anyerror {
     return @intToError(x);
 }
 // run
-// backend=stage1
-// target=native
\ No newline at end of file
+// backend=llvm
+// target=native
diff --git a/test/cases/safety/intToPtr with misaligned address.zig b/test/cases/safety/intToPtr with misaligned address.zig
index 5b480eccca..6cb085a64b 100644
--- a/test/cases/safety/intToPtr with misaligned address.zig	
+++ b/test/cases/safety/intToPtr with misaligned address.zig	
@@ -14,5 +14,5 @@ pub fn main() !void {
     return error.TestFailed;
 }
 // run
-// backend=stage1
+// backend=llvm
 // target=native
diff --git a/test/cases/safety/integer addition overflow.zig b/test/cases/safety/integer addition overflow.zig
index cd23b66f36..aa2ab60dd4 100644
--- a/test/cases/safety/integer addition overflow.zig	
+++ b/test/cases/safety/integer addition overflow.zig	
@@ -19,5 +19,5 @@ fn add(a: u16, b: u16) u16 {
 }
 
 // run
-// backend=stage1
+// backend=llvm
 // target=native
diff --git a/test/cases/safety/integer multiplication overflow.zig b/test/cases/safety/integer multiplication overflow.zig
index c9894217a7..af7e638381 100644
--- a/test/cases/safety/integer multiplication overflow.zig	
+++ b/test/cases/safety/integer multiplication overflow.zig	
@@ -1,9 +1,11 @@
 const std = @import("std");
 
 pub fn panic(message: []const u8, stack_trace: ?*std.builtin.StackTrace) noreturn {
-    _ = message;
     _ = stack_trace;
-    std.process.exit(0);
+    if (std.mem.eql(u8, message, "integer overflow")) {
+        std.process.exit(0);
+    }
+    std.process.exit(1);
 }
 
 pub fn main() !void {
@@ -15,5 +17,5 @@ fn mul(a: u16, b: u16) u16 {
     return a * b;
 }
 // run
-// backend=stage1
-// target=native
\ No newline at end of file
+// backend=llvm
+// target=native
diff --git a/test/cases/safety/integer negation overflow.zig b/test/cases/safety/integer negation overflow.zig
index f3eb1feffe..e48ffff761 100644
--- a/test/cases/safety/integer negation overflow.zig	
+++ b/test/cases/safety/integer negation overflow.zig	
@@ -1,9 +1,11 @@
 const std = @import("std");
 
 pub fn panic(message: []const u8, stack_trace: ?*std.builtin.StackTrace) noreturn {
-    _ = message;
     _ = stack_trace;
-    std.process.exit(0);
+    if (std.mem.eql(u8, message, "integer overflow")) {
+        std.process.exit(0);
+    }
+    std.process.exit(1);
 }
 
 pub fn main() !void {
@@ -15,5 +17,5 @@ fn neg(a: i16) i16 {
     return -a;
 }
 // run
-// backend=stage1
-// target=native
\ No newline at end of file
+// backend=llvm
+// target=native
diff --git a/test/cases/safety/integer subtraction overflow.zig b/test/cases/safety/integer subtraction overflow.zig
index ce1526cf60..6d9380ee26 100644
--- a/test/cases/safety/integer subtraction overflow.zig	
+++ b/test/cases/safety/integer subtraction overflow.zig	
@@ -1,9 +1,11 @@
 const std = @import("std");
 
 pub fn panic(message: []const u8, stack_trace: ?*std.builtin.StackTrace) noreturn {
-    _ = message;
     _ = stack_trace;
-    std.process.exit(0);
+    if (std.mem.eql(u8, message, "integer overflow")) {
+        std.process.exit(0);
+    }
+    std.process.exit(1);
 }
 
 pub fn main() !void {
@@ -15,5 +17,5 @@ fn sub(a: u16, b: u16) u16 {
     return a - b;
 }
 // run
-// backend=stage1
-// target=native
\ No newline at end of file
+// backend=llvm
+// target=native
diff --git a/test/cases/safety/optional unwrap operator on C pointer.zig b/test/cases/safety/optional unwrap operator on C pointer.zig
index 05614b4ca2..10e605cadd 100644
--- a/test/cases/safety/optional unwrap operator on C pointer.zig	
+++ b/test/cases/safety/optional unwrap operator on C pointer.zig	
@@ -1,9 +1,11 @@
 const std = @import("std");
 
 pub fn panic(message: []const u8, stack_trace: ?*std.builtin.StackTrace) noreturn {
-    _ = message;
     _ = stack_trace;
-    std.process.exit(0);
+    if (std.mem.eql(u8, message, "attempt to use null value")) {
+        std.process.exit(0);
+    }
+    std.process.exit(1);
 }
 pub fn main() !void {
     var ptr: [*c]i32 = null;
@@ -12,5 +14,5 @@ pub fn main() !void {
     return error.TestFailed;
 }
 // run
-// backend=stage1
+// backend=llvm
 // target=native
diff --git a/test/cases/safety/optional unwrap operator on null pointer.zig b/test/cases/safety/optional unwrap operator on null pointer.zig
index 1db44ba22a..3d2991d9ec 100644
--- a/test/cases/safety/optional unwrap operator on null pointer.zig	
+++ b/test/cases/safety/optional unwrap operator on null pointer.zig	
@@ -1,9 +1,11 @@
 const std = @import("std");
 
 pub fn panic(message: []const u8, stack_trace: ?*std.builtin.StackTrace) noreturn {
-    _ = message;
     _ = stack_trace;
-    std.process.exit(0);
+    if (std.mem.eql(u8, message, "attempt to use null value")) {
+        std.process.exit(0);
+    }
+    std.process.exit(1);
 }
 pub fn main() !void {
     var ptr: ?*i32 = null;
@@ -12,5 +14,5 @@ pub fn main() !void {
     return error.TestFailed;
 }
 // run
-// backend=stage1
+// backend=llvm
 // target=native
diff --git a/test/cases/safety/out of bounds slice access.zig b/test/cases/safety/out of bounds slice access.zig
index 8c95978d4a..a30532aee7 100644
--- a/test/cases/safety/out of bounds slice access.zig	
+++ b/test/cases/safety/out of bounds slice access.zig	
@@ -1,9 +1,11 @@
 const std = @import("std");
 
 pub fn panic(message: []const u8, stack_trace: ?*std.builtin.StackTrace) noreturn {
-    _ = message;
     _ = stack_trace;
-    std.process.exit(0);
+    if (std.mem.eql(u8, message, "attempt to index out of bound: index 4, len 4")) {
+        std.process.exit(0);
+    }
+    std.process.exit(1);
 }
 pub fn main() !void {
     const a = [_]i32{1, 2, 3, 4};
@@ -15,5 +17,5 @@ fn bar(a: []const i32) i32 {
 }
 fn baz(_: i32) void { }
 // run
-// backend=stage1
-// target=native
\ No newline at end of file
+// backend=llvm
+// target=native
diff --git a/test/cases/safety/signed shift left overflow.zig b/test/cases/safety/signed shift left overflow.zig
index 88adbe5835..75e9711032 100644
--- a/test/cases/safety/signed shift left overflow.zig	
+++ b/test/cases/safety/signed shift left overflow.zig	
@@ -1,9 +1,11 @@
 const std = @import("std");
 
 pub fn panic(message: []const u8, stack_trace: ?*std.builtin.StackTrace) noreturn {
-    _ = message;
     _ = stack_trace;
-    std.process.exit(0);
+    if (std.mem.eql(u8, message, "left shift overflowed bits")) {
+        std.process.exit(0);
+    }
+    std.process.exit(1);
 }
 
 pub fn main() !void {
@@ -15,5 +17,5 @@ fn shl(a: i16, b: u4) i16 {
     return @shlExact(a, b);
 }
 // run
-// backend=stage1
-// target=native
\ No newline at end of file
+// backend=llvm
+// target=native
diff --git a/test/cases/safety/truncating vector cast.zig b/test/cases/safety/truncating vector cast.zig
index b0a3c4e25b..5985952e02 100644
--- a/test/cases/safety/truncating vector cast.zig	
+++ b/test/cases/safety/truncating vector cast.zig	
@@ -16,5 +16,5 @@ pub fn main() !void {
 }
 
 // run
-// backend=stage1
+// backend=llvm
 // target=native
diff --git a/test/cases/safety/unreachable.zig b/test/cases/safety/unreachable.zig
new file mode 100644
index 0000000000..f752016aad
--- /dev/null
+++ b/test/cases/safety/unreachable.zig
@@ -0,0 +1,15 @@
+const std = @import("std");
+
+pub fn panic(message: []const u8, stack_trace: ?*std.builtin.StackTrace) noreturn {
+    _ = stack_trace;
+    if (std.mem.eql(u8, message, "reached unreachable code")) {
+        std.process.exit(0);
+    }
+    std.process.exit(1);
+}
+pub fn main() !void {
+    unreachable;
+}
+// run
+// backend=llvm
+// target=native
diff --git a/test/cases/safety/unsigned integer not fitting in cast to signed integer - same bit count.zig b/test/cases/safety/unsigned integer not fitting in cast to signed integer - same bit count.zig
index 9bf36b07c9..ca901560f0 100644
--- a/test/cases/safety/unsigned integer not fitting in cast to signed integer - same bit count.zig	
+++ b/test/cases/safety/unsigned integer not fitting in cast to signed integer - same bit count.zig	
@@ -1,9 +1,11 @@
 const std = @import("std");
 
 pub fn panic(message: []const u8, stack_trace: ?*std.builtin.StackTrace) noreturn {
-    _ = message;
     _ = stack_trace;
-    std.process.exit(0);
+    if (std.mem.eql(u8, message, "integer cast truncated bits")) {
+        std.process.exit(0);
+    }
+    std.process.exit(1);
 }
 pub fn main() !void {
     var value: u8 = 245;
@@ -12,5 +14,5 @@ pub fn main() !void {
     return error.TestFailed;
 }
 // run
-// backend=stage1
-// target=native
\ No newline at end of file
+// backend=llvm
+// target=native
diff --git a/test/cases/safety/unsigned shift left overflow.zig b/test/cases/safety/unsigned shift left overflow.zig
index 73c4292cdf..9d6b6a3c48 100644
--- a/test/cases/safety/unsigned shift left overflow.zig	
+++ b/test/cases/safety/unsigned shift left overflow.zig	
@@ -1,9 +1,11 @@
 const std = @import("std");
 
 pub fn panic(message: []const u8, stack_trace: ?*std.builtin.StackTrace) noreturn {
-    _ = message;
     _ = stack_trace;
-    std.process.exit(0);
+    if (std.mem.eql(u8, message, "left shift overflowed bits")) {
+        std.process.exit(0);
+    }
+    std.process.exit(1);
 }
 
 pub fn main() !void {
@@ -15,5 +17,5 @@ fn shl(a: u16, b: u4) u16 {
     return @shlExact(a, b);
 }
 // run
-// backend=stage1
-// target=native
\ No newline at end of file
+// backend=llvm
+// target=native
diff --git a/test/cases/safety/unsigned-signed vector cast.zig b/test/cases/safety/unsigned-signed vector cast.zig
index c78ec2c73f..eb3995269f 100644
--- a/test/cases/safety/unsigned-signed vector cast.zig	
+++ b/test/cases/safety/unsigned-signed vector cast.zig	
@@ -16,5 +16,5 @@ pub fn main() !void {
 }
 
 // run
-// backend=stage1
+// backend=llvm
 // target=native
diff --git a/test/cases/safety/unwrap error.zig b/test/cases/safety/unwrap error.zig
index ee9a502ebd..498461976d 100644
--- a/test/cases/safety/unwrap error.zig	
+++ b/test/cases/safety/unwrap error.zig	
@@ -15,5 +15,5 @@ fn bar() !void {
     return error.Whatever;
 }
 // run
-// backend=stage1
-// target=native
\ No newline at end of file
+// backend=llvm
+// target=native
diff --git a/test/cases/safety/value does not fit in shortening cast - u0.zig b/test/cases/safety/value does not fit in shortening cast - u0.zig
index 072be45731..3ff3aa6e6c 100644
--- a/test/cases/safety/value does not fit in shortening cast - u0.zig	
+++ b/test/cases/safety/value does not fit in shortening cast - u0.zig	
@@ -1,9 +1,11 @@
 const std = @import("std");
 
 pub fn panic(message: []const u8, stack_trace: ?*std.builtin.StackTrace) noreturn {
-    _ = message;
     _ = stack_trace;
-    std.process.exit(0);
+    if (std.mem.eql(u8, message, "integer cast truncated bits")) {
+        std.process.exit(0);
+    }
+    std.process.exit(1);
 }
 
 pub fn main() !void {
@@ -15,5 +17,5 @@ fn shorten_cast(x: u8) u0 {
     return @intCast(u0, x);
 }
 // run
-// backend=stage1
-// target=native
\ No newline at end of file
+// backend=llvm
+// target=native
diff --git a/test/cases/safety/value does not fit in shortening cast.zig b/test/cases/safety/value does not fit in shortening cast.zig
index 7188c9a846..510273a57b 100644
--- a/test/cases/safety/value does not fit in shortening cast.zig	
+++ b/test/cases/safety/value does not fit in shortening cast.zig	
@@ -1,9 +1,11 @@
 const std = @import("std");
 
 pub fn panic(message: []const u8, stack_trace: ?*std.builtin.StackTrace) noreturn {
-    _ = message;
     _ = stack_trace;
-    std.process.exit(0);
+    if (std.mem.eql(u8, message, "integer cast truncated bits")) {
+        std.process.exit(0);
+    }
+    std.process.exit(1);
 }
 
 pub fn main() !void {
@@ -15,5 +17,5 @@ fn shorten_cast(x: i32) i8 {
     return @intCast(i8, x);
 }
 // run
-// backend=stage1
-// target=native
\ No newline at end of file
+// backend=llvm
+// target=native
diff --git a/test/cases/safety/vector integer addition overflow.zig b/test/cases/safety/vector integer addition overflow.zig
index 5eedc869e7..7e34fa9393 100644
--- a/test/cases/safety/vector integer addition overflow.zig	
+++ b/test/cases/safety/vector integer addition overflow.zig	
@@ -1,9 +1,11 @@
 const std = @import("std");
 
 pub fn panic(message: []const u8, stack_trace: ?*std.builtin.StackTrace) noreturn {
-    _ = message;
     _ = stack_trace;
-    std.process.exit(0);
+    if (std.mem.eql(u8, message, "integer overflow")) {
+        std.process.exit(0);
+    }
+    std.process.exit(1);
 }
 pub fn main() !void {
     var a: @Vector(4, i32) = [_]i32{ 1, 2, 2147483643, 4 };
@@ -16,5 +18,5 @@ fn add(a: @Vector(4, i32), b: @Vector(4, i32)) @Vector(4, i32) {
     return a + b;
 }
 // run
-// backend=stage1
-// target=native
\ No newline at end of file
+// backend=llvm
+// target=native
diff --git a/test/cases/safety/vector integer multiplication overflow.zig b/test/cases/safety/vector integer multiplication overflow.zig
index 5d247cf545..a2a74072b3 100644
--- a/test/cases/safety/vector integer multiplication overflow.zig	
+++ b/test/cases/safety/vector integer multiplication overflow.zig	
@@ -1,9 +1,11 @@
 const std = @import("std");
 
 pub fn panic(message: []const u8, stack_trace: ?*std.builtin.StackTrace) noreturn {
-    _ = message;
     _ = stack_trace;
-    std.process.exit(0);
+    if (std.mem.eql(u8, message, "integer overflow")) {
+        std.process.exit(0);
+    }
+    std.process.exit(1);
 }
 pub fn main() !void {
     var a: @Vector(4, u8) = [_]u8{ 1, 2, 200, 4 };
@@ -16,5 +18,5 @@ fn mul(a: @Vector(4, u8), b: @Vector(4, u8)) @Vector(4, u8) {
     return a * b;
 }
 // run
-// backend=stage1
-// target=native
\ No newline at end of file
+// backend=llvm
+// target=native
diff --git a/test/cases/safety/vector integer negation overflow.zig b/test/cases/safety/vector integer negation overflow.zig
index 03d846aab0..7f59982372 100644
--- a/test/cases/safety/vector integer negation overflow.zig	
+++ b/test/cases/safety/vector integer negation overflow.zig	
@@ -1,9 +1,11 @@
 const std = @import("std");
 
 pub fn panic(message: []const u8, stack_trace: ?*std.builtin.StackTrace) noreturn {
-    _ = message;
     _ = stack_trace;
-    std.process.exit(0);
+    if (std.mem.eql(u8, message, "integer overflow")) {
+        std.process.exit(0);
+    }
+    std.process.exit(1);
 }
 pub fn main() !void {
     var a: @Vector(4, i16) = [_]i16{ 1, -32768, 200, 4 };
@@ -15,5 +17,5 @@ fn neg(a: @Vector(4, i16)) @Vector(4, i16) {
     return -a;
 }
 // run
-// backend=stage1
-// target=native
\ No newline at end of file
+// backend=llvm
+// target=native
diff --git a/test/cases/safety/vector integer subtraction overflow.zig b/test/cases/safety/vector integer subtraction overflow.zig
index 72287ffd07..dbfee3af1e 100644
--- a/test/cases/safety/vector integer subtraction overflow.zig	
+++ b/test/cases/safety/vector integer subtraction overflow.zig	
@@ -1,9 +1,11 @@
 const std = @import("std");
 
 pub fn panic(message: []const u8, stack_trace: ?*std.builtin.StackTrace) noreturn {
-    _ = message;
     _ = stack_trace;
-    std.process.exit(0);
+    if (std.mem.eql(u8, message, "integer overflow")) {
+        std.process.exit(0);
+    }
+    std.process.exit(1);
 }
 pub fn main() !void {
     var a: @Vector(4, u32) = [_]u32{ 1, 2, 8, 4 };
@@ -16,5 +18,5 @@ fn sub(a: @Vector(4, u32), b: @Vector(4, u32)) @Vector(4, u32) {
     return a - b;
 }
 // run
-// backend=stage1
-// target=native
\ No newline at end of file
+// backend=llvm
+// target=native