[clang] [clang][Sema] Improve template argument deduction diagnostic (PR #122754)

[Justin Fargnoli via cfe-commits]

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@@ -883,13 +896,11 @@ TemplateParameter DeductionFailureInfo::getTemplateParameter() {
   case TemplateDeductionResult::NonDependentConversionFailure:
   case TemplateDeductionResult::ConstraintsNotSatisfied:
     return TemplateParameter();
-
   case TemplateDeductionResult::Incomplete:
-  case TemplateDeductionResult::InvalidExplicitArguments:
     return TemplateParameter::getFromOpaqueValue(Data);
-
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justinfargnoli wrote:

Add newline.

https://github.com/llvm/llvm-project/pull/122754