[Bug gas/32091] New: binutils, gas/config/tc-i386-ginsn.c:495, error: ‘ginsn_func’ may be used uninitialized

[joserubiovidales at gmail dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=32091

            Bug ID: 32091
           Summary: binutils, gas/config/tc-i386-ginsn.c:495, error:
                    ‘ginsn_func’ may be used uninitialized
           Product: binutils
           Version: unspecified
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: gas
          Assignee: unassigned at sourceware dot org
          Reporter: joserubiovidales at gmail dot com
  Target Milestone: ---

binutils master branch fails to compile after commmit
d56083b5047b8e7cc9eda2f867bd2b75724920a1 

The file ./gas/config/tc-i386-ginsn.c complains with error
"config/tc-i386-ginsn.c:495:15: error: ‘ginsn_func’ may be used uninitialized
in this function"

To reproduce the issue:

  1. gcc: 10.4.0
  2. target: x86_64-suse-linux
  3. source: https://sourceware.org/git/binutils-gdb.git
  4. branch: master

Build error:

In file included from config/tc-i386.c:11115:
config/tc-i386-ginsn.c: In function ‘x86_ginsn_indirect_branch’:
config/tc-i386-ginsn.c:495:15: error: ‘ginsn_func’ may be used uninitialized in
this function [-Werror=maybe-uninitialized]
  495 |       ginsn = ginsn_func (insn_end_sym, true,
      |               ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  496 |      GINSN_SRC_REG, dw2_regnum, NULL);
      |      ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

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