Fix crash on invalid code where a @throw statement is not followed by a ';'

llvm-svn: 101941

clang/lib/Parse/ParseObjc.cpp

@@ -1448,7 +1448,8 @@ Parser::OwningStmtResult Parser::ParseObjCThrowStmt(SourceLocation atLoc) {
       return StmtError();
     }
   }
-  ConsumeToken(); // consume ';'
+  // consume ';'
+  ExpectAndConsume(tok::semi, diag::err_expected_semi_after, "@throw");
   return Actions.ActOnObjCAtThrowStmt(atLoc, move(Res), CurScope);
 }
 

clang/test/SemaObjC/invalid-code.m

@@ -12,3 +12,10 @@ void test1() {
   __PRETTY_FUNCTION__; // expected-warning{{expression result unused}}
 }
 @end
+
+// <rdar://problem/7881045>
+// This previously triggered a crash because a ';' was expected after the @throw statement.
+void foo() {
+  @throw (id)0 // expected-error{{expected ';' after @throw}}
+}
+