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Don't alloc empty jmp opnum list for single-branch if

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This commit is contained in:
Nikita Popov 2014-08-26 19:39:40 +02:00
parent cd8bbfa149
commit c71ab607ff
1 changed files with 10 additions and 5 deletions
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15
Zend/zend_compile.c
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@ -4897,7 +4897,11 @@ void zend_compile_foreach(zend_ast *ast TSRMLS_DC) {
void zend_compile_if(zend_ast *ast TSRMLS_DC) {
zend_ast_list *list = zend_ast_get_list(ast);
uint32_t i;
uint32_t *jmp_opnums = safe_emalloc(sizeof(uint32_t), list->children - 1, 0);
uint32_t *jmp_opnums;
if (list->children > 1) {
jmp_opnums = safe_emalloc(sizeof(uint32_t), list->children - 1, 0);
}
for (i = 0; i < list->children; ++i) {
zend_ast *elem_ast = list->child[i];
@ -4922,11 +4926,12 @@ void zend_compile_if(zend_ast *ast TSRMLS_DC) {
}
}
for (i = 0; i < list->children - 1; ++i) {
zend_update_jump_target_to_next(jmp_opnums[i] TSRMLS_CC);
if (list->children > 1) {
for (i = 0; i < list->children - 1; ++i) {
zend_update_jump_target_to_next(jmp_opnums[i] TSRMLS_CC);
}
efree(jmp_opnums);
}
efree(jmp_opnums);
}
void zend_compile_switch(zend_ast *ast TSRMLS_DC) {