llvm-project

2e399598 - [HLSL][RootSignature] Use "stringified" version for diagnostic output of punctuator tokens (#145827)

[HLSL][RootSignature] Use "stringified" version for diagnostic output of punctuator tokens (#145827) This pr will corrects the output with a stringified version of a puncuator (eg `')'`) instead of its ascii value. - Update `LexHLSLRootSignature` to fix the `DiagnosticBuilder` `operator<<` overload to correclty format the puncuator - Add testcase demonstrating the stringified version is output Resolves https://github.com/llvm/llvm-project/issues/145814.