diff --git a/test/cases/aarch64-macos/hello_world_with_updates.0.zig b/test/cases/aarch64-macos/hello_world_with_updates.0.zig
index 90aa14ab65..f939a7fa71 100644
--- a/test/cases/aarch64-macos/hello_world_with_updates.0.zig
+++ b/test/cases/aarch64-macos/hello_world_with_updates.0.zig
@@ -2,4 +2,4 @@
 // output_mode=Exe
 // target=aarch64-macos
 //
-// :110:9: error: root struct of file 'tmp' has no member named 'main'
+// :?:?: error: root struct of file 'tmp' has no member named 'main'
diff --git a/test/cases/x86_64-linux/hello_world_with_updates.0.zig b/test/cases/x86_64-linux/hello_world_with_updates.0.zig
index e498eacf93..c330234fdb 100644
--- a/test/cases/x86_64-linux/hello_world_with_updates.0.zig
+++ b/test/cases/x86_64-linux/hello_world_with_updates.0.zig
@@ -2,7 +2,7 @@
 // output_mode=Exe
 // target=x86_64-linux
 //
-// :604:45: error: root struct of file 'tmp' has no member named 'main'
-// :553:12: note: called from here
-// :503:36: note: called from here
-// :466:17: note: called from here
+// :?:?: error: root struct of file 'tmp' has no member named 'main'
+// :?:?: note: called from here
+// :?:?: note: called from here
+// :?:?: note: called from here
diff --git a/test/cases/x86_64-macos/hello_world_with_updates.0.zig b/test/cases/x86_64-macos/hello_world_with_updates.0.zig
index d91bd9dc91..7fc13a4fa5 100644
--- a/test/cases/x86_64-macos/hello_world_with_updates.0.zig
+++ b/test/cases/x86_64-macos/hello_world_with_updates.0.zig
@@ -2,4 +2,4 @@
 // output_mode=Exe
 // target=x86_64-macos
 //
-// :110:9: error: root struct of file 'tmp' has no member named 'main'
+// :?:?: error: root struct of file 'tmp' has no member named 'main'
diff --git a/test/cases/x86_64-windows/hello_world_with_updates.0.zig b/test/cases/x86_64-windows/hello_world_with_updates.0.zig
index 320057b86e..d322de2d1b 100644
--- a/test/cases/x86_64-windows/hello_world_with_updates.0.zig
+++ b/test/cases/x86_64-windows/hello_world_with_updates.0.zig
@@ -2,6 +2,6 @@
 // output_mode=Exe
 // target=x86_64-windows
 //
-// :604:45: error: root struct of file 'tmp' has no member named 'main'
-// :553:12: note: called from here
-// :389:65: note: called from here
+// :?:?: error: root struct of file 'tmp' has no member named 'main'
+// :?:?: note: called from here
+// :?:?: note: called from here
diff --git a/test/src/Cases.zig b/test/src/Cases.zig
index c3a4c1df47..890f4f6f89 100644
--- a/test/src/Cases.zig
+++ b/test/src/Cases.zig
@@ -1045,8 +1045,7 @@ pub fn main() !void {
     var ctx = Cases.init(gpa, arena);
 
     var test_it = TestIterator{ .filenames = filenames.items };
-    while (test_it.next()) |maybe_batch| {
-        const batch = maybe_batch orelse break;
+    while (try test_it.next()) |batch| {
         const strategy: TestStrategy = if (batch.len > 1) .incremental else .independent;
         var cases = std.ArrayList(usize).init(arena);
 
@@ -1084,6 +1083,11 @@ pub fn main() !void {
 
             for (cases.items) |case_index| {
                 const case = &ctx.cases.items[case_index];
+                if (strategy == .incremental and case.backend == .stage2 and case.target.getCpuArch() == .x86_64 and !case.link_libc and case.target.getOsTag() != .plan9) {
+                    // https://github.com/ziglang/zig/issues/15174
+                    continue;
+                }
+
                 switch (manifest.type) {
                     .compile => {
                         case.addCompile(src);
@@ -1115,8 +1119,6 @@ pub fn main() !void {
                 }
             }
         }
-    } else |err| {
-        return err;
     }
 
     return runCases(&ctx, zig_exe_path);