[clang] [clang][CodeGen] Fix crash on if/switch init-statement ending in noreturn (PR #201047)

[via cfe-commits]

lijinpei-amd wrote:

Cc @efriedma-quic @rjmccall — could you take a look when you get a chance?

Small CodeGen crash-fix for #115514: an if/switch init-statement that ends in a noreturn call leaves CodeGen without an insertion point, and the condition emitted next assumes a valid one, producing instructions that aren't embedded in a basic block (verifier crash / broken module).

Thanks!


https://github.com/llvm/llvm-project/pull/201047