Issue diagnostic when objective-c's @interface is preceeded by a type specifier.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@45491 91177308-0d34-0410-b5e6-96231b3b80d8

2 files changed, 7 insertions, 0 deletions

diff --git a/Parse/Parser.cpp b/Parse/Parser.cpp
index c5a21c72b6..04cfea6f07 100644
--- a/Parse/Parser.cpp
+++ b/Parse/Parser.cpp
@@ -379,6 +379,9 @@ Parser::DeclTy *Parser::ParseDeclarationOrFunctionDefinition() {
       SkipUntil(tok::semi); // FIXME: better skip?
       return 0;
     }
+    const char *PrevSpec = 0;
+    if (DS.SetTypeSpecType(DeclSpec::TST_unspecified, AtLoc, PrevSpec))
+      Diag(AtLoc, diag::err_invalid_decl_spec_combination, PrevSpec);
     return ParseObjCAtInterfaceDeclaration(AtLoc, DS.getAttributes()); 
   }
   
diff --git a/test/Parser/check-syntax-1.m b/test/Parser/check-syntax-1.m
new file mode 100644
index 0000000000..9036c65dce
--- /dev/null
+++ b/test/Parser/check-syntax-1.m
@@ -0,0 +1,4 @@
+// RUN: clang -fsyntax-only -verify %s
+
+int @interface bla  ; // expected-error {{cannot combine with previous 'int' declaration specifier}}
+@end