[clang] [Clang] Add -fwrapv-pointer flag (PR #122486)

[Nikita Popov via cfe-commits]

================
@@ -57,15 +57,6 @@ void test1(void) {
   // TRAPV_HANDLER: foo(
   --a;
   
-  // -fwrapv should turn off inbounds for GEP's, PR9256
-  extern int* P;
-  ++P;
-  // DEFAULT: getelementptr inbounds nuw i32, ptr
-  // WRAPV: getelementptr i32, ptr
-  // TRAPV: getelementptr inbounds nuw i32, ptr
-  // CATCH_UB_POINTER: getelementptr inbounds nuw i32, ptr
-  // NOCATCH_UB_POINTER: getelementptr i32, ptr
----------------
nikic wrote:

I've restored the test. The intent here was to split off the pointer case into pointer-overflow.c, but there's no reason we can't have both...

https://github.com/llvm/llvm-project/pull/122486