Merge branch 'PHP-8.0' into PHP-8.1

* PHP-8.0:
  JIT: Fixed exit from CALL VM with GCC Global Register Variables

Author: dstogov

ext/opcache/jit/zend_jit_arm64.dasc

@@ -2358,7 +2358,8 @@ static int zend_jit_trace_halt_stub(dasm_State **Dst)
 		|	EXT_JMP zend_jit_halt_op->handler, REG0
 	} else if (GCC_GLOBAL_REGS) {
 		|	ldp x29, x30, [sp], # SPAD    // stack alignment
-		|	ret // PC must be zero
+		|	mov IP, xzr                   // PC must be zero
+		|	ret
 	} else {
 		|	ldp FP, RX, T2                // retore FP and IP
 		|	ldp x29, x30, [sp], # NR_SPAD // stack alignment

ext/opcache/jit/zend_jit_vm_helpers.c

@@ -318,7 +318,10 @@ static zend_always_inline ZEND_OPCODE_HANDLER_RET ZEND_FASTCALL zend_jit_trace_c
 	if (UNEXPECTED(*(ZEND_OP_TRACE_INFO(opline, offset)->counter) <= 0)) {
 		*(ZEND_OP_TRACE_INFO(opline, offset)->counter) = ZEND_JIT_COUNTER_INIT;
 		if (UNEXPECTED(zend_jit_trace_hot_root(execute_data, opline) < 0)) {
-#ifndef HAVE_GCC_GLOBAL_REGS
+#ifdef HAVE_GCC_GLOBAL_REGS
+			opline = NULL;
+			return;
+#else
 			return -1;
 #endif
 		}

ext/opcache/jit/zend_jit_x86.dasc

@@ -2372,7 +2372,8 @@ static int zend_jit_trace_halt_stub(dasm_State **Dst)
 		|	EXT_JMP zend_jit_halt_op->handler, r0
 	} else if (GCC_GLOBAL_REGS) {
 		|	add r4, SPAD // stack alignment
-		|	ret // PC must be zero
+		|	xor IP, IP // PC must be zero
+		|	ret
 	} else {
 		|	mov FP, aword T2 // restore FP
 		|	mov RX, aword T3 // restore IP