Fixed JIT startup failure not being respected by new threads in ZTS

ext/opcache/ZendAccelerator.c

@@ -3278,6 +3278,7 @@ static zend_result accel_post_startup(void)
 			 || zend_jit_startup(ZSMMG(reserved), jit_size, reattached) != SUCCESS) {
 				JIT_G(enabled) = false;
 				JIT_G(on) = false;
+				zend_jit_startup_failed = true;
 				/* The JIT is implicitly disabled with opcache.jit_buffer_size=0, so we don't want to
 				 * emit a warning here. */
 				if (JIT_G(buffer_size) != 0) {

ext/opcache/jit/zend_jit.c

@@ -103,6 +103,8 @@ typedef struct _zend_jit_stub {
 #define JIT_STUB(name, offset, adjustment) \
 	{JIT_STUB_PREFIX #name, zend_jit_ ## name ## _stub, offset, adjustment}
 
+bool zend_jit_startup_failed = false;
+
 zend_ulong zend_jit_profile_counter = 0;
 int zend_jit_profile_counter_rid = -1;
 
@@ -4796,7 +4798,7 @@ ZEND_EXT_API int zend_jit_config(zend_string *jit, int stage)
 		return FAILURE;
 	}
 
-	if (zend_string_equals_literal_ci(jit, "disable")) {
+	if (zend_jit_startup_failed || zend_string_equals_literal_ci(jit, "disable")) {
 		JIT_G(enabled) = 0;
 		JIT_G(on) = 0;
 		return SUCCESS;

ext/opcache/jit/zend_jit.h

@@ -91,6 +91,8 @@ typedef struct _zend_jit_trace_rec zend_jit_trace_rec;
 typedef struct _zend_jit_trace_stack_frame zend_jit_trace_stack_frame;
 typedef struct _sym_node zend_sym_node;
 
+extern bool zend_jit_startup_failed;
+
 typedef struct _zend_jit_globals {
 	bool enabled;
 	bool on;