[clang] [Clang][CodeGen] Emit “trap reasons” on UBSan traps (PR #145967)

[Anthony Tran via cfe-commits]

================
@@ -0,0 +1,12 @@
+// RUN: %clang_cc1 -triple arm64-apple-macosx14.0.0 -O0 -debug-info-kind=standalone -dwarf-version=5 \
+// RUN: -fsanitize=return -fsanitize-trap=return -emit-llvm %s -o - | FileCheck %s
+
+int missing_return(int x)
+{
+    if (x > 0)
+        return x;
+}
----------------
anthonyhatran wrote:

Done

https://github.com/llvm/llvm-project/pull/145967