[clang] [AArch64] Change the coercion type of structs with pointer members. (PR #135064)

[via cfe-commits]

eaeltsin wrote:

The tests fail with SIGSEGV without hwasan, so there is some problem revealed by this change either in the compiler or in the tests. Bailing out under hwasan is not a fix. 

Disallowing function pointers makes the problem go away, so might be a useful hint. Another hint is that the issue seems to be limited to 128-bit structs only.

We are trying to cook a standalone reproducer. 


https://github.com/llvm/llvm-project/pull/135064