[Emacs-diffs] master 52172d2 2/2: Fix gc-elapsed rounding bug

[Paul Eggert]

branch: master
commit 52172d234015776bcc595c731477b98fa2949e50
Author: Paul Eggert <address@hidden>
Commit: Paul Eggert <address@hidden>

    Fix gc-elapsed rounding bug
    
    * src/alloc.c (garbage_collect): Don’t accumulate rounding
    errors when computing gc-elapsed.
---
 src/alloc.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/src/alloc.c b/src/alloc.c
index 497f600..9fbd0d0 100644
--- a/src/alloc.c
+++ b/src/alloc.c
@@ -6021,9 +6021,10 @@ garbage_collect (void)
   /* Accumulate statistics.  */
   if (FLOATP (Vgc_elapsed))
     {
-      struct timespec since_start = timespec_sub (current_timespec (), start);
-      Vgc_elapsed = make_float (XFLOAT_DATA (Vgc_elapsed)
-                               + timespectod (since_start));
+      static struct timespec gc_elapsed;
+      gc_elapsed = timespec_add (gc_elapsed,
+                                timespec_sub (current_timespec (), start));
+      Vgc_elapsed = make_float (timespectod (gc_elapsed));
     }
 
   gcs_done++;