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From: "sjames at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug ipa/109983] New: [12/13/14 regression] Wireshark compilation
 hangs with -O2 -fipa-pta
Date: Fri, 26 May 2023 09:26:11 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D109983

            Bug ID: 109983
           Summary: [12/13/14 regression] Wireshark compilation hangs with
                    -O2 -fipa-pta
           Product: gcc
           Version: 14.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: ipa
          Assignee: unassigned at gcc dot gnu.org
          Reporter: sjames at gcc dot gnu.org
                CC: marxin at gcc dot gnu.org
  Target Milestone: ---

Created attachment 55165
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=3D55165&action=3Dedit
packet-rnsap.c.i.xz

Originally reported downstream in Gentoo at https://bugs.gentoo.org/907182.

Building Wireshark with -fipa-pta ends up hanging when compiling
packet-rnsap.c.

It's enough to just try to build the reproducer with -O2 -fipa-pta for me
(actually, -O1 hangs too):
```
$ gcc-12 -O2 -fipa-pta -c packet-rnsap.c.i
[... hangs ...]
```

gcc 11.3.1 20230518 doesn't hang, while 12.3.1 20230519 / 13.1.1 20230520 /
14.0.0 20230521 do.=