diff options
| author | Richard Smith <richard-llvm@metafoo.co.uk> | 2012-01-25 02:14:59 +0000 |
|---|---|---|
| committer | Richard Smith <richard-llvm@metafoo.co.uk> | 2012-01-25 02:14:59 +0000 |
| commit | c0536c8294fc4453f0f1d1cf24a62bfc725fd492 (patch) | |
| tree | 2facdc4b4477c42d6a4d61a976cd44a3fc05b708 /lib/Sema/SemaTemplateInstantiate.cpp | |
| parent | 5d613b57972a761973861f7c38b3e6442243a6ab (diff) | |
Fix PR11848: decree that an alias template contains an unexpanded parameter pack
iff its substitution contains an unexpanded parameter pack. This has the effect
that we now reject declarations such as this (which we used to crash when
expanding):
template<typename T> using Int = int;
template<typename ...Ts> void f(Int<Ts> ...ints);
The standard is inconsistent on how this case should be treated.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@148905 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Sema/SemaTemplateInstantiate.cpp')
| -rw-r--r-- | lib/Sema/SemaTemplateInstantiate.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/Sema/SemaTemplateInstantiate.cpp b/lib/Sema/SemaTemplateInstantiate.cpp index 2b96a1c744..e183f1f1c1 100644 --- a/lib/Sema/SemaTemplateInstantiate.cpp +++ b/lib/Sema/SemaTemplateInstantiate.cpp @@ -1510,7 +1510,7 @@ ParmVarDecl *Sema::SubstParmVarDecl(ParmVarDecl *OldParm, // FIXME: When OldParm is a parameter pack and NewParm is not a parameter // pack, we actually have a set of instantiated locations. Maintain this set! if (OldParm->isParameterPack() && !NewParm->isParameterPack()) { - // Add the new parameter to + // Add the new parameter to the instantiated parameter pack. CurrentInstantiationScope->InstantiatedLocalPackArg(OldParm, NewParm); } else { // Introduce an Old -> New mapping |