From 7ad99f7d21983de63725701832e03d095842b3ae Mon Sep 17 00:00:00 2001
From: Roman Zhuykov <zhroma@ispras.ru>
Date: Fri, 29 Mar 2019 18:44:01 +0000
Subject: opts-common.c (integral_argument): Set errno properly in one case.

    * opts-common.c (integral_argument): Set errno properly in one case.

    * gcc.dg/diag-sanity.c: New test.

From-SVN: r270022
---
 gcc/opts-common.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

(limited to 'gcc/opts-common.c')

diff --git a/gcc/opts-common.c b/gcc/opts-common.c
index edbb3ac..8456dcc 100644
--- a/gcc/opts-common.c
+++ b/gcc/opts-common.c
@@ -205,8 +205,10 @@ integral_argument (const char *arg, int *err, bool byte_size_suffix)
 	  value = strtoull (arg, &end, 0);
 	  if (*end)
 	    {
-	      /* errno is most likely EINVAL here.  */
-	      *err = errno;
+	      if (errno)
+		*err = errno;
+	      else
+		*err = EINVAL;
 	      return -1;
 	    }
 
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