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

[Matt Arsenault via cfe-commits]

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@@ -2497,7 +2502,12 @@ void CodeGenModule::ConstructAttributeList(StringRef Name,
                                  NumElemsParam);
     }
 
-    if (TargetDecl->hasAttr<OpenCLKernelAttr>()) {
+    if (TargetDecl->hasAttr<OpenCLKernelAttr>() &&
+        CallingConv != CallingConv::CC_C &&
+        CallingConv !=
+            CallingConv::CC_SpirFunction) { // Check CallingConv to avoid adding
+                                            // uniform-work-group-size attribute
+                                            // to OpenCL Kernel Stub
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arsenm wrote:

Weird comment placement and line breaks 

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