Fix missing scratch_last_end_ptr update (Irix)

* headers.c (GC_scratch_alloc): Update GC_scratch_last_end_ptr even if
the first GET_MEM() call fails because of out of memory.

1 files changed, 2 insertions, 0 deletions

diff --git a/headers.c b/headers.c
index c71449f1..375194c9 100644
--- a/headers.c
+++ b/headers.c
@@ -141,6 +141,8 @@ GC_INNER ptr_t GC_scratch_alloc(size_t bytes)
             bytes_to_get = ROUNDUP_PAGESIZE_IF_MMAP(bytes);
             result = (ptr_t)GET_MEM(bytes_to_get);
             GC_add_to_our_memory(result, bytes_to_get);
+            if (result != NULL)
+                GC_scratch_last_end_ptr = result + bytes;
             return result;
         }
         /* Update scratch area pointers and retry.      */