[binutils-gdb] PR26471 UBSAN: tc-metag.c:7038 left shift cannot be represented

[Alan Modra]

https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=46021a61e42fcda467a7092b03b65095c57f2bc5

commit 46021a61e42fcda467a7092b03b65095c57f2bc5
Author: Alan Modra <amodra@gmail.com>
Date:   Mon Aug 31 14:36:34 2020 +0930

    PR26471 UBSAN: tc-metag.c:7038 left shift cannot be represented
    
            PR 26471
            * config/tc-metag.c (md_chars_to_number): Make retval unsigned.

Diff:
---
 gas/ChangeLog         | 5 +++++
 gas/config/tc-metag.c | 2 +-
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/gas/ChangeLog b/gas/ChangeLog
index 7b6b28dcf04..9b95d5166df 100644
--- a/gas/ChangeLog
+++ b/gas/ChangeLog
@@ -1,3 +1,8 @@
+2020-08-31  Alan Modra  <amodra@gmail.com>
+
+	PR 26471
+	* config/tc-metag.c (md_chars_to_number): Make retval unsigned.
+
 2020-08-31  Alan Modra  <amodra@gmail.com>
 
 	PR 26468
diff --git a/gas/config/tc-metag.c b/gas/config/tc-metag.c
index 2816640b29e..1e923415a00 100644
--- a/gas/config/tc-metag.c
+++ b/gas/config/tc-metag.c
@@ -7030,7 +7030,7 @@ tc_gen_reloc (asection *seg ATTRIBUTE_UNUSED, fixS *fixp)
 static unsigned int
 md_chars_to_number (char *val, int n)
 {
-  int retval;
+  unsigned int retval;
   unsigned char * where = (unsigned char *) val;
 
   for (retval = 0; n--;)