[PATCH][pushed] gcov: call mmap MAP_ANONYMOUS with fd equal to -1

[Martin Liška]

Pushed as obvious.

Martin

libgcc/ChangeLog:

        PR gcov-profile/99385
        * libgcov.h (allocate_gcov_kvp): Call mmap with fd equal to -1.
---
 libgcc/libgcov.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libgcc/libgcov.h b/libgcc/libgcov.h
index 9c5fcfba4ad..acdb7cd1500 100644
--- a/libgcc/libgcov.h
+++ b/libgcc/libgcov.h
@@ -426,7 +426,7 @@ allocate_gcov_kvp (void)
     {
       void *ptr = mmap (NULL, MMAP_CHUNK_SIZE,
                        PROT_READ | PROT_WRITE,
-                       MAP_PRIVATE | MAP_ANONYMOUS, 0, 0);
+                       MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
       if (ptr != MAP_FAILED)
        {
          __gcov_kvp_dynamic_pool = ptr;
--
2.30.1