Document LTO behavior with incompatible declarations.

[pf3gnuchains/gcc-fork.git] / boehm-gc / allchblk.c

diff --git a/boehm-gc/allchblk.c b/boehm-gc/allchblk.c
index 793c468..1a1efc6 100644 (file)
--- a/boehm-gc/allchblk.c
+++ b/boehm-gc/allchblk.c
@@ -285,8 +285,8 @@ int n;
        GET_HDR(hhdr -> hb_prev, phdr);
        phdr -> hb_next = hhdr -> hb_next;
     }
+    FREE_ASSERT(GC_free_bytes[index] >= hhdr -> hb_sz);
     INCR_FREE_BYTES(index, - (signed_word)(hhdr -> hb_sz));
-    FREE_ASSERT(GC_free_bytes[index] >= 0);
     if (0 != hhdr -> hb_next) {
        hdr * nhdr;
        GC_ASSERT(!IS_FORWARDING_ADDR_OR_NIL(NHDR(hhdr)));
@@ -590,8 +590,9 @@ int n;
            GET_HDR(hbp, hhdr);
            size_avail = hhdr->hb_sz;
            if (size_avail < size_needed) continue;
-           if (!GC_use_entire_heap
-               && size_avail != size_needed
+           if (size_avail != size_needed
+               && !GC_use_entire_heap
+               && !GC_dont_gc
                && USED_HEAP_SIZE >= GC_requested_heapsize
                && !TRUE_INCREMENTAL && GC_should_collect()) {
 #              ifdef USE_MUNMAP
@@ -608,7 +609,8 @@ int n;
                    /* If we are deallocating lots of memory from       */
                    /* finalizers, fail and collect sooner rather       */
                    /* than later.                                      */
-                   if (GC_finalizer_mem_freed > (GC_heapsize >> 4))  {
+                   if (WORDS_TO_BYTES(GC_finalizer_mem_freed)
+                       > (GC_heapsize >> 4))  {
                      continue;
                    }
 #              endif /* !USE_MUNMAP */
@@ -698,7 +700,7 @@ int n;
                      struct hblk * h;
                      struct hblk * prev = hhdr -> hb_prev;
                      
-                     GC_words_wasted += total_size;
+                     GC_words_wasted += BYTES_TO_WORDS(total_size);
                      GC_large_free_bytes -= total_size;
                      GC_remove_from_fl(hhdr, n);
                      for (h = hbp; h < limit; h++) {