[clang] [llvm] [LLVMOffload] Get LastError for bad Kernels (PR #213390)

[Kevin Sala Penades via llvm-commits]

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@@ -101,6 +103,10 @@ Error_t StreamDestroy(Stream_t stream);
 
 Error_t StreamSynchronize(Stream_t stream);
 
+extern "C" Error_t LaunchKernel(const char *KernelID, dim3 GridDim,
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kevinsala wrote:

Why some are declared extern C and other not?

https://github.com/llvm/llvm-project/pull/213390