Use zval_ptr_dtor_nogc to destroy literals

Also move the definition of zval_ptr_dtor_nogc to zend_variables.h
(from zend_execute.h/.c) as it's used in a few places.

Author: nikic

Zend/zend_ast.c

@@ -382,16 +382,11 @@ static void zend_ast_destroy_ex(zend_ast *ast, zend_bool free) {
 
 	switch (ast->kind) {
 		case ZEND_AST_ZVAL:
-		{
 			/* Destroy value without using GC: When opcache moves arrays into SHM it will
 			 * free the zend_array structure, so references to it from outside the op array
 			 * become invalid. GC would cause such a reference in the root buffer. */
-			zval *zv = zend_ast_get_zval(ast);
-			if (Z_REFCOUNTED_P(zv) && !Z_DELREF_P(zv)) {
-				_zval_dtor_func_for_ptr(Z_COUNTED_P(zv) ZEND_FILE_LINE_CC);
-			}
+			zval_ptr_dtor_nogc(zend_ast_get_zval(ast));
 			break;
-		}
 		case ZEND_AST_FUNC_DECL:
 		case ZEND_AST_CLOSURE:
 		case ZEND_AST_METHOD:

Zend/zend_compile.c

@@ -600,10 +600,7 @@ void zend_do_free(znode *op1 TSRMLS_DC) /* {{{ */
 		/* Destroy value without using GC: When opcache moves arrays into SHM it will
 		 * free the zend_array structure, so references to it from outside the op array
 		 * become invalid. GC would cause such a reference in the root buffer. */
-		zval *zv = &op1->u.constant;
-		if (Z_REFCOUNTED_P(zv) && !Z_DELREF_P(zv)) {
-			_zval_dtor_func_for_ptr(Z_COUNTED_P(zv) ZEND_FILE_LINE_CC);
-		}
+		zval_ptr_dtor_nogc(&op1->u.constant);
 	}
 }
 /* }}} */

Zend/zend_execute.c

@@ -83,7 +83,6 @@ static const zend_internal_function zend_pass_function = {
 
 #undef zval_ptr_dtor
 #define zval_ptr_dtor(zv) i_zval_ptr_dtor(zv ZEND_FILE_LINE_CC TSRMLS_CC)
-#define zval_ptr_dtor_nogc(zv) i_zval_ptr_dtor_nogc(zv ZEND_FILE_LINE_CC TSRMLS_CC)
 
 #define PZVAL_LOCK(z) if (Z_REFCOUNTED_P(z)) Z_ADDREF_P((z))
 #define SELECTIVE_PZVAL_LOCK(pzv, opline)	if (RETURN_VALUE_USED(opline)) { PZVAL_LOCK(pzv); }

Zend/zend_execute.h

@@ -63,16 +63,6 @@ static zend_always_inline void i_zval_ptr_dtor(zval *zval_ptr ZEND_FILE_LINE_DC
 	}
 }
 
-static zend_always_inline void i_zval_ptr_dtor_nogc(zval *zval_ptr ZEND_FILE_LINE_DC TSRMLS_DC)
-{
-	if (Z_REFCOUNTED_P(zval_ptr)) {
-		if (!Z_DELREF_P(zval_ptr)) {
-			ZEND_ASSERT(zval_ptr != &EG(uninitialized_zval));
-			_zval_dtor_func_for_ptr(Z_COUNTED_P(zval_ptr) ZEND_FILE_LINE_CC);
-		}
-	}
-}
-
 static zend_always_inline int i_zend_is_true(zval *op TSRMLS_DC)
 {
 	int result;
@@ -237,7 +227,7 @@ static zend_always_inline void zend_vm_stack_free_extra_args(zend_execute_data *
  		zval *p = end + (call->num_args - first_extra_arg);
 		do {
 			p--;
-			i_zval_ptr_dtor_nogc(p ZEND_FILE_LINE_CC TSRMLS_CC);
+			zval_ptr_dtor_nogc(p);
 		} while (p != end);
  	}
 }
@@ -252,7 +242,7 @@ static zend_always_inline void zend_vm_stack_free_args(zend_execute_data *call T
 
 		do {
 			p--;
-			i_zval_ptr_dtor_nogc(p ZEND_FILE_LINE_CC TSRMLS_CC);
+			zval_ptr_dtor_nogc(p);
 		} while (p != end);
 	}
 }

Zend/zend_opcode.c

@@ -343,7 +343,7 @@ ZEND_API void destroy_op_array(zend_op_array *op_array TSRMLS_DC)
 	if (literal) {
 	 	end = literal + op_array->last_literal;
 	 	while (literal < end) {
-			zval_dtor(literal);
+			zval_ptr_dtor_nogc(literal);
 			literal++;
 		}
 		efree(op_array->literals);

Zend/zend_variables.h

@@ -36,6 +36,13 @@ static zend_always_inline void _zval_dtor(zval *zvalue ZEND_FILE_LINE_DC)
 	_zval_dtor_func(Z_COUNTED_P(zvalue) ZEND_FILE_LINE_RELAY_CC);
 }
 
+static zend_always_inline void _zval_ptr_dtor_nogc(zval *zval_ptr ZEND_FILE_LINE_DC)
+{
+	if (Z_REFCOUNTED_P(zval_ptr) && !Z_DELREF_P(zval_ptr)) {
+		_zval_dtor_func_for_ptr(Z_COUNTED_P(zval_ptr) ZEND_FILE_LINE_CC);
+	}
+}
+
 ZEND_API void _zval_copy_ctor_func(zval *zvalue ZEND_FILE_LINE_DC);
 
 #define zval_copy_ctor_func(zv) _zval_copy_ctor_func(zv ZEND_FILE_LINE_CC)
@@ -98,6 +105,7 @@ ZEND_API void _zval_dtor_wrapper(zval *zvalue);
 #define zval_opt_copy_ctor_no_imm(zvalue) _zval_opt_copy_ctor_no_imm((zvalue) ZEND_FILE_LINE_CC)
 #define zval_dtor(zvalue) _zval_dtor((zvalue) ZEND_FILE_LINE_CC)
 #define zval_ptr_dtor(zval_ptr) _zval_ptr_dtor((zval_ptr) ZEND_FILE_LINE_CC)
+#define zval_ptr_dtor_nogc(zval_ptr) _zval_ptr_dtor_nogc((zval_ptr) ZEND_FILE_LINE_CC)
 #define zval_internal_dtor(zvalue) _zval_internal_dtor((zvalue) ZEND_FILE_LINE_CC)
 #define zval_internal_ptr_dtor(zvalue) _zval_internal_ptr_dtor((zvalue) ZEND_FILE_LINE_CC)
 #define zval_dtor_wrapper _zval_dtor_wrapper