mute strange difference in tcctest

tcctest.c

@@ -2129,6 +2129,9 @@ void asm_test(void)
     /* NOTE: we test here if C labels are correctly restored after the
        asm statement */
     goto label1;
+ label2:
+    __asm__("btsl %1,%0" : "=m"(set) : "Ir"(20) : "cc");
+#ifdef __GNUC__ // works strange with GCC 4.3
     set=0x1080fd;
 #endif
     printf("set=0x%x\n", set);