Preserve Sema::UndefinedInternals across PCH boundaries. Fixes
-Wundefined-internal warnings with PCH.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@173538 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Serialization/ASTReader.cpp b/lib/Serialization/ASTReader.cpp
index fd1b896..0261ad8 100644
--- a/lib/Serialization/ASTReader.cpp
+++ b/lib/Serialization/ASTReader.cpp
@@ -2461,7 +2461,24 @@
for (unsigned I = 0, N = Record.size(); I != N; ++I)
KnownNamespaces.push_back(getGlobalDeclID(F, Record[I]));
break;
-
+
+ case UNDEFINED_INTERNALS:
+ if (UndefinedInternals.size() % 2 != 0) {
+ Error("Invalid existing UndefinedInternals");
+ return true;
+ }
+
+ if (Record.size() % 2 != 0) {
+ Error("invalid undefined internals record");
+ return true;
+ }
+ for (unsigned I = 0, N = Record.size(); I != N; /* in loop */) {
+ UndefinedInternals.push_back(getGlobalDeclID(F, Record[I++]));
+ UndefinedInternals.push_back(
+ ReadSourceLocation(F, Record, I).getRawEncoding());
+ }
+ break;
+
case IMPORTED_MODULES: {
if (F.Kind != MK_Module) {
// If we aren't loading a module (which has its own exports), make
@@ -5934,6 +5951,17 @@
}
}
+void ASTReader::ReadUndefinedInternals(
+ llvm::MapVector<NamedDecl*, SourceLocation> &Undefined) {
+ for (unsigned Idx = 0, N = UndefinedInternals.size(); Idx != N;) {
+ NamedDecl *D = cast<NamedDecl>(GetDecl(UndefinedInternals[Idx++]));
+ SourceLocation Loc =
+ SourceLocation::getFromRawEncoding(UndefinedInternals[Idx++]);
+ Undefined.insert(std::make_pair(D, Loc));
+ }
+}
+
+
void ASTReader::ReadTentativeDefinitions(
SmallVectorImpl<VarDecl *> &TentativeDefs) {
for (unsigned I = 0, N = TentativeDefinitions.size(); I != N; ++I) {