[clang] [HIP] Fix comdat of template kernel handle (PR #66283)

[Artem Belevich via cfe-commits]

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@@ -43,6 +44,9 @@ __global__ void kernelfunc() {}
 
 __global__ void kernel_decl();
 
+template<class T>
+__global__ void temp_kernel_decl(T x);
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Artem-B wrote:

Nit: rename temp -> template? `temp` is strongly associated with 'temporary'.

https://github.com/llvm/llvm-project/pull/66283