[compiler-rt] [Compiler-rt] Fix wrong assignment in compiler_rt (PR #164713)

[Yuxuan Chen via llvm-commits]

================
@@ -36,14 +36,14 @@ enum VendorSignatures {
   SIG_AMD = 0x68747541,   // Auth
 };
 
-enum ProcessorVendors {
+enum ProcessorVendors : unsigned int {
----------------
yuxuanchen1997 wrote:

Ok. _enum-type-specifier_ is a C23 feature and only supported in gcc-13+. Is this `: unsigned int` important here and can we get rid of it in favor of compatibility with older compilers?

https://github.com/llvm/llvm-project/pull/164713