[clang] [Clang][CodeGen] Respect -fwrapv-pointer when emitting struct GEPs (PR #134269)

[Yingwei Zheng via cfe-commits]

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@@ -10,3 +10,24 @@ void test(void) {
   // DEFAULT: getelementptr inbounds nuw i32, ptr
   // FWRAPV-POINTER: getelementptr i32, ptr
 }
+
+struct S {
+  int a;
+  int b;
+  int c: 10;
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dtcxzyw wrote:

Bitfields are handled by a different code path: https://github.com/llvm/llvm-project/blob/2c1bdd4a0811af89eb9631935fbd90f13a04eacb/clang/lib/CodeGen/CGExpr.cpp#L4977

https://github.com/llvm/llvm-project/pull/134269