Improve C-like syntax mistakes error messages

src/parser.cpp

@@ -5014,6 +5014,7 @@ gb_internal Ast *parse_stmt(AstFile *f) {
 	case Token_Xor:
 	case Token_Not:
 	case Token_And:
+	case Token_Mul: // Used for error handling when people do C-like things
 		s = parse_simple_stmt(f, StmtAllowFlag_Label);
 		expect_semicolon(f);
 		return s;