Support tentative definitions in precompiled headers. This isn't likely
to happen (ever), but at least we'll do the right thing when it does.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@69829 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Frontend/PCHReader.cpp b/lib/Frontend/PCHReader.cpp
index 6de1304..28cca4d 100644
--- a/lib/Frontend/PCHReader.cpp
+++ b/lib/Frontend/PCHReader.cpp
@@ -1713,6 +1713,13 @@
TotalNumMacros = Record[1];
break;
+ case pch::TENTATIVE_DEFINITIONS:
+ if (!TentativeDefinitions.empty()) {
+ Error("Duplicate TENTATIVE_DEFINITIONS record in PCH file");
+ return Failure;
+ }
+ TentativeDefinitions.swap(Record);
+ break;
}
}
@@ -2523,6 +2530,13 @@
SemaObj->IdResolver.AddDecl(PreloadedDecls[I]);
}
PreloadedDecls.clear();
+
+ // If there were any tentative definitions, deserialize them and add
+ // them to Sema's table of tentative definitions.
+ for (unsigned I = 0, N = TentativeDefinitions.size(); I != N; ++I) {
+ VarDecl *Var = cast<VarDecl>(GetDecl(TentativeDefinitions[I]));
+ SemaObj->TentativeDefinitions[Var->getDeclName()] = Var;
+ }
}
IdentifierInfo* PCHReader::get(const char *NameStart, const char *NameEnd) {