[clang] [Clang] Freeze padded vectors before storing. (PR #164821)

[Florian Hahn via cfe-commits]

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@@ -0,0 +1,42 @@
+// NOTE: Assertions have been autogenerated by utils/update_cc_test_checks.py UTC_ARGS: --version 6
+// RUN: %clang_cc1 -fenable-matrix -triple arm64-apple-macosx %s -emit-llvm -disable-llvm-passes -o - | FileCheck %s
+
+typedef float float3 __attribute__((ext_vector_type(3)));
+struct Vec3 {
+  union {
+    struct {
+      float x;
+      float y;
+      float z;
+    };
+  float vec __attribute__((ext_vector_type(3)));
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fhahn wrote:

Should be fixed, thanks

https://github.com/llvm/llvm-project/pull/164821