[clang] [Clang][OpenCL][AMDGPU] Allow a kernel to call another kernel (PR #115821)

[Shilei Tian via cfe-commits]

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@@ -0,0 +1,43 @@
+// RUN: %clang_cc1 -triple amdgcn-unknown-unknown -emit-llvm -o - %s | FileCheck %s
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shiltian wrote:

the pair can be "detected" or checked by the check lines and any minor change could lead to a test failure, thus makes it more robust.

https://github.com/llvm/llvm-project/pull/115821