fix weak external functions

[libfirm] / ir / stat / pattern.c

diff --git a/ir/stat/pattern.c b/ir/stat/pattern.c
index cc7dbab..47ff364 100644 (file)
--- a/ir/stat/pattern.c
+++ b/ir/stat/pattern.c
@@ -648,9 +648,7 @@ static pattern_entry_t *pattern_get_entry(CODE_BUFFER *buf, pset *set) {
        unsigned len = buf_lenght(buf);
        unsigned hash;
 
-       key = obstack_alloc(&status->obst, offsetof(pattern_entry_t, buf) + len);
-       assert(key);
-
+       key = OALLOCF(&status->obst, pattern_entry_t, buf, len);
        key->len = len;
        memcpy(key->buf, buf_content(buf), len);