================
@@ -1342,7 +1342,10 @@ QualType
Sema::CheckNonTypeTemplateParameterType(TypeSourceInfo *&TSI,
// - an identifier associated by name lookup with a non-type
// template-parameter declared with a type that contains a
// placeholder type (7.1.7.4),
- TSI = SubstAutoTypeSourceInfoDependent(TSI);
+ TypeSourceInfo *NewTSI = SubstAutoTypeSourceInfoDependent(TSI);
+ if (!NewTSI)
+ return QualType();
+ TSI = NewTSI;
----------------
sdkrystian wrote:
We only want to update `TSI` if `SubstAutoTypeSourceInfoDependent` succeeds, so
a new variable is necessary to preserve the old value in case of failure (the
parameter is a reference).
https://github.com/llvm/llvm-project/pull/186200
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