[PATCH] gcov: check return code of a fclose

[Martin Liška]

We miss a place where I/O write error can occur.

Pushed to master as obvious.

Martin

gcc/ChangeLog:

        PR gcov-profile/101773
        * gcov-io.c (gcov_close): Check return code of a fclose.
---
 gcc/gcov-io.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/gcc/gcov-io.c b/gcc/gcov-io.c
index 4b1e11d4530..7819593234a 100644
--- a/gcc/gcov-io.c
+++ b/gcc/gcov-io.c
@@ -199,7 +199,9 @@ gcov_close (void)
 {
   if (gcov_var.file)
     {
-      fclose (gcov_var.file);
+      if (fclose (gcov_var.file))
+       gcov_var.error = 1;
+
       gcov_var.file = 0;
     }
   gcov_var.mode = 0;
--
2.32.0