JIT: Fixed DASM_S_RANGE_VREG error

Author: dstogov

ext/opcache/jit/zend_jit_x86.dasc

@@ -979,7 +979,7 @@ static void* dasm_labels[zend_lb_MAX];
 ||	if (Z_TYPE_P(zv) > IS_TRUE) {
 ||		if (Z_TYPE_P(zv) == IS_DOUBLE) {
 ||			zend_reg dst_reg = (Z_MODE(dst_addr) == IS_REG) ?
-||				Z_REG(dst_addr) : ((Z_MODE(res_addr) == IS_REG) ? Z_MODE(res_addr) : ZREG_XMM0);
+||				Z_REG(dst_addr) : ((Z_MODE(res_addr) == IS_REG) ? Z_REG(res_addr) : ZREG_XMM0);
 ||			if (Z_DVAL_P(zv) == 0.0 && !is_signed(Z_DVAL_P(zv))) {
 ||				if (CAN_USE_AVX()) {
 |					vxorps xmm(dst_reg-ZREG_XMM0), xmm(dst_reg-ZREG_XMM0), xmm(dst_reg-ZREG_XMM0)

ext/opcache/tests/jit/assign_044.phpt

@@ -0,0 +1,21 @@
+--TEST--
+JIT ASSIGN: DASM_S_RANGE_VREG error
+--INI--
+opcache.enable=1
+opcache.enable_cli=1
+opcache.file_update_protection=0
+opcache.jit_buffer_size=1M
+opcache.protect_memory=1
+--FILE--
+<?php
+function test($x) {
+    if ($x) {
+        unknown($value);
+    }
+    var_dump($value = INF);
+}
+test(false);
+?>
+--EXPECT--
+float(INF)
+