Whether the specialization should be added to template's folding set when read from PCH,
is determined by a isCanonicalDecl check.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@108833 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Frontend/PCHWriterDecl.cpp b/lib/Frontend/PCHWriterDecl.cpp
index 6487552..5d6a6d2 100644
--- a/lib/Frontend/PCHWriterDecl.cpp
+++ b/lib/Frontend/PCHWriterDecl.cpp
@@ -828,10 +828,6 @@
Writer.AddTemplateParameterList(D->getTemplateParameters(), Record);
}
-static bool IsKeptInFoldingSet(ClassTemplateSpecializationDecl *D) {
- return D->getTypeForDecl()->getAsCXXRecordDecl() == D;
-}
-
void PCHDeclWriter::VisitClassTemplateDecl(ClassTemplateDecl *D) {
VisitTemplateDecl(D);
@@ -845,7 +841,7 @@
CTSDSetTy &CTSDSet = D->getSpecializations();
Record.push_back(CTSDSet.size());
for (CTSDSetTy::iterator I=CTSDSet.begin(), E = CTSDSet.end(); I!=E; ++I) {
- assert(IsKeptInFoldingSet(&*I));
+ assert(I->isCanonicalDecl() && "Expected only canonical decls in set");
Writer.AddDeclRef(&*I, Record);
}
@@ -853,7 +849,7 @@
CTPSDSetTy &CTPSDSet = D->getPartialSpecializations();
Record.push_back(CTPSDSet.size());
for (CTPSDSetTy::iterator I=CTPSDSet.begin(), E=CTPSDSet.end(); I!=E; ++I) {
- assert(IsKeptInFoldingSet(&*I));
+ assert(I->isCanonicalDecl() && "Expected only canonical decls in set");
Writer.AddDeclRef(&*I, Record);
}
@@ -892,10 +888,8 @@
Writer.AddSourceLocation(D->getPointOfInstantiation(), Record);
Record.push_back(D->getSpecializationKind());
- bool IsInInFoldingSet = IsKeptInFoldingSet(D);
- Record.push_back(IsInInFoldingSet);
- if (IsInInFoldingSet) {
- // When reading, we'll add it to the folding set of this one.
+ if (D->isCanonicalDecl()) {
+ // When reading, we'll add it to the folding set of the following template.
Writer.AddDeclRef(D->getSpecializedTemplate()->getCanonicalDecl(), Record);
}