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-rw-r--r--clang/lib/Sema/SemaTemplateInstantiate.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/clang/lib/Sema/SemaTemplateInstantiate.cpp b/clang/lib/Sema/SemaTemplateInstantiate.cpp
index a7d03ddff36..e8f1dcca59c 100644
--- a/clang/lib/Sema/SemaTemplateInstantiate.cpp
+++ b/clang/lib/Sema/SemaTemplateInstantiate.cpp
@@ -2892,7 +2892,7 @@ static const Decl *getCanonicalParmVarDecl(const Decl *D) {
unsigned i = PV->getFunctionScopeIndex();
// This parameter might be from a freestanding function type within the
// function and isn't necessarily referring to one of FD's parameters.
- if (FD->getParamDecl(i) == PV)
+ if (i < FD->getNumParams() && FD->getParamDecl(i) == PV)
return FD->getCanonicalDecl()->getParamDecl(i);
}
}
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