When resolving default template arguments, it should be done in the declaration context
of the template what we are going to instantiate.
Fixes various crashes of rdar://11242625 & http://llvm.org/PR11421.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@155576 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Sema/SemaTemplate.cpp b/lib/Sema/SemaTemplate.cpp
index d4b0975..b9ea055 100644
--- a/lib/Sema/SemaTemplate.cpp
+++ b/lib/Sema/SemaTemplate.cpp
@@ -2512,6 +2512,7 @@
Converted.size(),
SourceRange(TemplateLoc, RAngleLoc));
+ Sema::ContextRAII SavedContext(SemaRef, Template->getDeclContext());
ArgType = SemaRef.SubstType(ArgType, AllTemplateArgs,
Param->getDefaultArgumentLoc(),
Param->getDeclName());
@@ -2560,6 +2561,7 @@
Converted.size(),
SourceRange(TemplateLoc, RAngleLoc));
+ Sema::ContextRAII SavedContext(SemaRef, Template->getDeclContext());
return SemaRef.SubstExpr(Param->getDefaultArgument(), AllTemplateArgs);
}
@@ -2607,6 +2609,7 @@
Converted.size(),
SourceRange(TemplateLoc, RAngleLoc));
+ Sema::ContextRAII SavedContext(SemaRef, Template->getDeclContext());
// Substitute into the nested-name-specifier first,
QualifierLoc = Param->getDefaultArgument().getTemplateQualifierLoc();
if (QualifierLoc) {