From 286077fec8f381c7b4d4d5bf351d963564a1dd69 Mon Sep 17 00:00:00 2001
From: Vexu <git@vexu.eu>
Date: Sun, 20 Dec 2020 23:28:13 +0200
Subject: [PATCH] stage1: add missing error check on inferred struct field ptr

---
 src/stage1/ir.cpp       | 3 +++
 test/compile_errors.zig | 5 +++++
 2 files changed, 8 insertions(+)

diff --git a/src/stage1/ir.cpp b/src/stage1/ir.cpp
index 0e1c659642..9278ee7564 100644
--- a/src/stage1/ir.cpp
+++ b/src/stage1/ir.cpp
@@ -19980,6 +19980,9 @@ static IrInstGen *ir_resolve_result(IrAnalyze *ira, IrInst *suspend_source_instr
 
         result_loc = ir_analyze_struct_field_ptr(ira, suspend_source_instr, field, casted_ptr,
                 isf->inferred_struct_type, true);
+        if (type_is_invalid(result_loc->value->type)) {
+            return result_loc;
+        }
         result_loc_pass1->resolved_loc = result_loc;
     }
 
diff --git a/test/compile_errors.zig b/test/compile_errors.zig
index 3e6875698f..14462b2382 100644
--- a/test/compile_errors.zig
+++ b/test/compile_errors.zig
@@ -2376,8 +2376,13 @@ pub fn addCases(cases: *tests.CompileErrorContext) void {
         \\export fn entry() void {
         \\    const x = [_]u8;
         \\}
+        \\export fn entry2() void {
+        \\    const S = struct { a: *const [_]u8 };
+        \\    var a = .{ S{} };
+        \\}
     , &[_][]const u8{
         "tmp.zig:2:15: error: inferred array size invalid here",
+        "tmp.zig:5:34: error: inferred array size invalid here",
     });
 
     cases.add("initializing array with struct syntax",