[compiler-rt] [compiler-rt][msan] Add MSan support for Hexagon (Linux) (PR #189124)

[Brian Cain via llvm-commits]

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@@ -130,6 +130,20 @@ struct AP64 {  // Allocator64 parameters. Deliberately using a short name.
 };
 
 using PrimaryAllocator = SizeClassAllocator64<AP64>;
+#elif defined(__hexagon__)
+const uptr kMaxAllowedMallocSize = 2UL << 30;
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androm3da wrote:

I'll change it to 1GB instead?  AFAICT that's used by other 32-bit targets for LSan.

https://github.com/llvm/llvm-project/pull/189124