gdb: wrong optimisations

<slide>
<title>gdb: wrong optimisations</title>

<example>
 ZEND_API zend_function *zend_std_get_static_method(zend_class_entry *ce, const char *function_name_strval, int function_name_strlen, const zend_literal *key TSRMLS_DC) /* {{{ */
 {
 	zend_function *fbc = NULL;
 	char *lc_class_name, *lc_function_name = NULL;
 	ulong hash_value;
 	ALLOCA_FLAG(use_heap)
 
 	if (EXPECTED(key != NULL)) {
+#if (ZEND_GCC_VERSION == 4009) &amp;&amp; !(defined(ZTS) &amp;&amp; defined(NETWARE)) &amp;&amp; !(defined(ZTS) &amp;&amp; defined(HPUX)) &amp;&amp; !defined(DARWIN)
+		/* This is a workaround for bug in GCC 4.9.2 */
+		use_heap = 0;
+#endif
 		lc_function_name = Z_STRVAL(key->constant);
 		hash_value = key->hash_value;
 	} else {

…
 
 	if (UNEXPECTED(!key)) {
 		free_alloca(lc_function_name, use_heap);
 	}
 
 	return fbc;
 }
 /* }}} */
</example>
</slide>