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[binutils-gdb] Fix GCC false warning
- From: Jan Kratochvil <jkratoch at sourceware dot org>
- To: gdb-cvs at sourceware dot org
- Date: 2 Jul 2015 20:41:11 -0000
- Subject: [binutils-gdb] Fix GCC false warning
https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=decf8d9a5f91912768d52cd075b6a25617a90d1c
commit decf8d9a5f91912768d52cd075b6a25617a90d1c
Author: Jan Kratochvil <jan.kratochvil@redhat.com>
Date: Thu Jul 2 22:39:57 2015 +0200
Fix GCC false warning
At least on
gcc-4.4.7-11.el6.i686
./configure --enable-64-bit-bfd --enable-targets=all
GDB does not build due to:
cc1: warnings being treated as errors
s390-linux-tdep.c: In function â??s390_handle_argâ??:
s390-linux-tdep.c:2575: error: â??valâ?? may be used uninitialized in this function
gdb/ChangeLog
2015-07-02 Jan Kratochvil <jan.kratochvil@redhat.com>
Fix GCC false warning.
* s390-linux-tdep.c (s390_handle_arg): Initialize VAL.
Diff:
---
gdb/ChangeLog | 5 +++++
gdb/s390-linux-tdep.c | 3 ++-
2 files changed, 7 insertions(+), 1 deletion(-)
diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 97d0079..9dc21e8 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,8 @@
+2015-07-02 Jan Kratochvil <jan.kratochvil@redhat.com>
+
+ Fix GCC false warning.
+ * s390-linux-tdep.c (s390_handle_arg): Initialize VAL.
+
2015-07-02 Yao Qi <yao.qi@linaro.org>
* aarch64-linux-nat.c (aarch64_linux_insert_hw_breakpoint): Fix
diff --git a/gdb/s390-linux-tdep.c b/gdb/s390-linux-tdep.c
index 2460aa1..ec28448 100644
--- a/gdb/s390-linux-tdep.c
+++ b/gdb/s390-linux-tdep.c
@@ -2572,7 +2572,8 @@ s390_handle_arg (struct s390_arg_state *as, struct value *arg,
}
else if (s390_function_arg_integer (type) && length <= word_size)
{
- ULONGEST val;
+ /* Initialize it just to avoid a GCC false warning. */
+ ULONGEST val = 0;
if (write_mode)
{