Add a new warning -Wmissing-variable-declarations, to warn about variables
defined without a previous declaration. This is similar to
-Wmissing-prototypes, but for variables instead of functions.
Patch by Ed Schouten.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@166498 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Sema/Sema.cpp b/lib/Sema/Sema.cpp
index eef5a26..c7d378f 100644
--- a/lib/Sema/Sema.cpp
+++ b/lib/Sema/Sema.cpp
@@ -665,6 +665,8 @@
diag::err_tentative_def_incomplete_type))
VD->setInvalidDecl();
+ CheckCompleteVariableDeclaration(VD);
+
// Notify the consumer that we've completed a tentative definition.
if (!VD->isInvalidDecl())
Consumer.CompleteTentativeDefinition(VD);