[clang] [Clang][CodeGen][OpenCL] Add `-fno-delete-null-pointer-checks` to avoid UB. NFC. (PR #135602)

[Eli Friedman via cfe-commits]

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@@ -1,4 +1,4 @@
-// RUN: %clang_cc1 %s -triple "spir-unknown-unknown" -emit-llvm -o - | FileCheck %s
+// RUN: %clang_cc1 %s -triple "spir-unknown-unknown" -fno-delete-null-pointer-checks -emit-llvm -o - | FileCheck %s
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efriedma-quic wrote:

I don't see any optimization flags here... is this somehow running the optimizer by default?

If it is, this change is fine, I guess.

https://github.com/llvm/llvm-project/pull/135602