[Bug tree-optimization/63748] New: may be used uninitialized warning on variable definition with initializer

["amodra at gmail dot com" <gcc-bugzilla@gcc.gnu.org>]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63748

            Bug ID: 63748
           Summary: may be used uninitialized warning on variable
                    definition with initializer
           Product: gcc
           Version: 5.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: tree-optimization
          Assignee: unassigned at gcc dot gnu.org
          Reporter: amodra at gmail dot com

Created attachment 33892
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=33892&action=edit
preprocessed source

Found when compiling gdb's eval.c using gcc-4.9.1 or current trunk,
x86_64-linux or powerpc64-linux.

/src/binutils-gdb/gdb/eval.c: In function ‘evaluate_subexp_standard’:
/src/binutils-gdb/gdb/eval.c:745:16: error: ‘ret’ may be used uninitialized in
this function [-Werror=maybe-uninitialized]
  struct value *ret = NULL;
                ^

More bogus warnings follow with -O -Wall on the attached preprocessed source.
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From: "mkuvyrkov at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug debug/61033] [4.8/4.9 Regression] Infinite loop in variable tracking
Date: Wed, 05 Nov 2014 12:55:00 -0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?ida033

--- Comment #10 from Maxim Kuvyrkov <mkuvyrkov at gcc dot gnu.org> ---
Michael,

What is the status of this bug?

Thanks.