C++ modules: fix a bug where loading a declaration with some name would prevent
name lookup from lazily deserializing the other declarations with the same
name, by tracking a bit to indicate whether a name in a DeclContext might have
additional external results. This also allows lazier reconciling of the lookup
table if a module import adds decls to a pre-existing DC.
However, this exposes a pre-existing bug, which causes a regression in
test/Modules/decldef.mm: if we have a reference to a declaration, and a
later-imported module adds a redeclaration, nothing causes us to load that
redeclaration when we use or emit the reference (which can manifest as a
reference to an undefined inline function, a use of an incomplete type, and so
on). decldef.mm has been extended with an additional testcase which fails with
or without this change.
llvm-svn: 190293
diff --git a/clang/test/Modules/Inputs/def.h b/clang/test/Modules/Inputs/def.h
index eb7eb7e..6fa83d3 100644
--- a/clang/test/Modules/Inputs/def.h
+++ b/clang/test/Modules/Inputs/def.h
@@ -17,4 +17,11 @@
public:
void func();
};
+
+namespace Def3NS {
+ class Def3 {
+ public:
+ void func();
+ };
+}
#endif