[clang] [libc] [llvm] [AMDGPU] Use COV6 by default (PR #118515)

[Matt Arsenault via cfe-commits]

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@@ -34,7 +34,7 @@
 
 static llvm::cl::opt<unsigned> DefaultAMDHSACodeObjectVersion(
     "amdhsa-code-object-version", llvm::cl::Hidden,
-    llvm::cl::init(llvm::AMDGPU::AMDHSA_COV5),
+    llvm::cl::init(llvm::AMDGPU::AMDHSA_COV6),
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arsenm wrote:

Missing test update for this 

https://github.com/llvm/llvm-project/pull/118515