SAVE_OPLINE in NULL_HANDLER

Let's avoid crashing before the nice error message gets printed...

Author: nikic

Zend/zend_vm_execute.h

@@ -49860,6 +49860,7 @@ static ZEND_OPCODE_HANDLER_RET ZEND_FASTCALL ZEND_NULL_HANDLER(ZEND_OPCODE_HANDL
 {
 	USE_OPLINE
 
+	SAVE_OPLINE();
 	zend_error_noreturn(E_ERROR, "Invalid opcode %d/%d/%d.", OPLINE->opcode, OPLINE->op1_type, OPLINE->op2_type);
 	ZEND_VM_NEXT_OPCODE(); /* Never reached */
 }

Zend/zend_vm_gen.php

@@ -1514,6 +1514,7 @@ function gen_null_handler($f) {
         out($f,"{\n");
         out($f,"\tUSE_OPLINE\n");
         out($f,"\n");
+        out($f,"\tSAVE_OPLINE();\n");
         out($f,"\tzend_error_noreturn(E_ERROR, \"Invalid opcode %d/%d/%d.\", OPLINE->opcode, OPLINE->op1_type, OPLINE->op2_type);\n");
         out($f,"\tZEND_VM_NEXT_OPCODE(); /* Never reached */\n");
         out($f,"}\n\n");