[compiler-rt] [clang-tools-extra] [clang] [llvm] [InferAddressSpaces] Fix constant replace to avoid modifying other functions (PR #70611)

[Matt Arsenault via cfe-commits]

@@ -334,6 +335,15 @@ template<> struct simplify_type {
   }
 };
 
+template <> struct GraphTraits {

arsenm wrote:

If we allowed bitcasts between address spaces with the same size, we could drop 
addrspacecast constantexprs altogether 

https://github.com/llvm/llvm-project/pull/70611
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[compiler-rt] [clang-tools-extra] [clang] [llvm] [InferAddressSpaces] Fix constant replace to avoid modifying other functions (PR #70611)

[Wenju He via cfe-commits]

@@ -334,6 +335,15 @@ template<> struct simplify_type {
   }
 };
 
+template <> struct GraphTraits {

wenju-he wrote:

added 3 more runs on RHEL9 today, the compile time diff is very small.

https://github.com/llvm/llvm-project/pull/70611
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