diff options
| -rw-r--r-- | src/glsl/glcpp/glcpp-parse.y | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/src/glsl/glcpp/glcpp-parse.y b/src/glsl/glcpp/glcpp-parse.y index fdc9467803b..6f15e85a122 100644 --- a/src/glsl/glcpp/glcpp-parse.y +++ b/src/glsl/glcpp/glcpp-parse.y @@ -1563,6 +1563,7 @@ _glcpp_parser_expand_token_list (glcpp_parser_t *parser, token_node_t *node_prev; token_node_t *node, *last = NULL; token_list_t *expansion; + active_list_t *active_initial = parser->active; if (list == NULL) return; @@ -1617,7 +1618,10 @@ _glcpp_parser_expand_token_list (glcpp_parser_t *parser, node = node_prev ? node_prev->next : list->head; } - while (parser->active) + /* Remove any lingering effects of this invocation on the + * active list. That is, pop until the list looks like it did + * at the beginning of this function. */ + while (parser->active && parser->active != active_initial) _parser_active_list_pop (parser); list->non_space_tail = list->tail; |