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authorRichard Smith <richard-llvm@metafoo.co.uk>2012-09-12 00:56:43 +0000
committerRichard Smith <richard-llvm@metafoo.co.uk>2012-09-12 00:56:43 +0000
commit9a4db032ecd991626d236a502e770126db32bd31 (patch)
treee47c157324d94f0b03571a9f16ff75579ea88143 /lib/Sema/SemaTemplateInstantiateDecl.cpp
parent2b6eb9db86252ddde0e79a1d97054de6cbe1b284 (diff)
PR13811: Add a FunctionParmPackExpr node to handle references to function
parameter packs where the reference is not being expanded but the pack has been. Previously, Clang would segfault in such cases. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@163672 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Sema/SemaTemplateInstantiateDecl.cpp')
-rw-r--r--lib/Sema/SemaTemplateInstantiateDecl.cpp3
1 files changed, 2 insertions, 1 deletions
diff --git a/lib/Sema/SemaTemplateInstantiateDecl.cpp b/lib/Sema/SemaTemplateInstantiateDecl.cpp
index 55462ff09b..15afd1f6c9 100644
--- a/lib/Sema/SemaTemplateInstantiateDecl.cpp
+++ b/lib/Sema/SemaTemplateInstantiateDecl.cpp
@@ -3397,7 +3397,8 @@ NamedDecl *Sema::FindInstantiatedDecl(SourceLocation Loc, NamedDecl *D,
if (Decl *FD = Found->dyn_cast<Decl *>())
return cast<NamedDecl>(FD);
- unsigned PackIdx = ArgumentPackSubstitutionIndex;
+ int PackIdx = ArgumentPackSubstitutionIndex;
+ assert(PackIdx != -1 && "found declaration pack but not pack expanding");
return cast<NamedDecl>((*Found->get<DeclArgumentPack *>())[PackIdx]);
}