Zend: remove the now useless parse_error global

Author: akimd

Zend/zend.c

@@ -1104,8 +1104,6 @@ void zend_set_utility_values(zend_utility_values *utility_values) /* {{{ */
 /* this should be compatible with the standard zenderror */
 ZEND_COLD void zenderror(const char *error) /* {{{ */
 {
-	CG(parse_error) = 0;
-
 	if (EG(exception)) {
 		/* An exception was thrown in the lexer, don't throw another in the parser. */
 		return;

Zend/zend_globals.h

@@ -81,7 +81,6 @@ struct _zend_compiler_globals {
 
 	HashTable *auto_globals;
 
-	zend_bool parse_error;
 	zend_bool in_compilation;
 	zend_bool short_tags;
 

Zend/zend_language_scanner.l

@@ -188,7 +188,6 @@ static void yy_scan_buffer(char *str, unsigned int len)
 
 void startup_scanner(void)
 {
-	CG(parse_error) = 0;
 	CG(doc_comment) = NULL;
 	CG(extra_fn_flags) = 0;
 	zend_stack_init(&SCNG(state_stack), sizeof(int));
@@ -203,7 +202,6 @@ static void heredoc_label_dtor(zend_heredoc_label *heredoc_label) {
 
 void shutdown_scanner(void)
 {
-	CG(parse_error) = 0;
 	RESET_DOC_COMMENT();
 	zend_stack_destroy(&SCNG(state_stack));
 	zend_stack_destroy(&SCNG(nest_location_stack));