Check dynamic_cast is not used with -fno-rtti, unless it is a noop or can be resolved statically.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@187564 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Sema/SemaCast.cpp b/lib/Sema/SemaCast.cpp
index 1adb037..888c14e 100644
--- a/lib/Sema/SemaCast.cpp
+++ b/lib/Sema/SemaCast.cpp
@@ -667,6 +667,13 @@
Self.MarkVTableUsed(OpRange.getBegin(),
cast<CXXRecordDecl>(SrcRecord->getDecl()));
+ // dynamic_cast is not available with fno-rtti
+ if (!Self.getLangOpts().RTTI) {
+ Self.Diag(OpRange.getBegin(), diag::err_no_dynamic_cast_with_fno_rtti);
+ SrcExpr = ExprError();
+ return;
+ }
+
// Done. Everything else is run-time checks.
Kind = CK_Dynamic;
}