Check interrupt only if the link is a part of the loop.

Author: dstogov

ext/opcache/jit/zend_jit_trace.c

@@ -4843,7 +4843,10 @@ static const void *zend_jit_trace(zend_jit_trace_rec *trace_buffer, uint32_t par
 				goto jit_failure;
 			}
 			t->link = zend_jit_find_trace(p->opline->handler);
-			zend_jit_trace_link_to_root(&dasm_state, &zend_jit_traces[t->link]);
+			zend_jit_trace_link_to_root(&dasm_state, &zend_jit_traces[t->link],
+				parent_trace &&
+				(zend_jit_traces[t->link].flags & ZEND_JIT_TRACE_CHECK_INTERRUPT) &&
+				zend_jit_traces[parent_trace].root == t->link);
 		} else {
 			zend_jit_trace_return(&dasm_state, 0);
 		}

ext/opcache/jit/zend_jit_x86.dasc

@@ -3133,7 +3133,7 @@ static int zend_jit_link_side_trace(const void *code, size_t size, uint32_t jmp_
 	return zend_jit_patch(code, size, jmp_table_size, zend_jit_trace_get_exit_addr(exit_num), addr);
 }
 
-static int zend_jit_trace_link_to_root(dasm_State **Dst, zend_jit_trace_info *t)
+static int zend_jit_trace_link_to_root(dasm_State **Dst, zend_jit_trace_info *t, zend_bool check_interrupt)
 {
 	const void *link_addr;
 	size_t prologue_size;
@@ -3167,7 +3167,7 @@ static int zend_jit_trace_link_to_root(dasm_State **Dst, zend_jit_trace_info *t)
 	}
 	link_addr = (const void*)((const char*)t->code_start + prologue_size);
 
-	if (t->flags & ZEND_JIT_TRACE_CHECK_INTERRUPT) {
+	if (check_interrupt) {
 		/* Check timeout for links to LOOP */
 		|	MEM_OP2_1_ZTS cmp, byte, executor_globals, vm_interrupt, 0, r0
 		|	je &link_addr