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From: "p.p11 at orange dot fr" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug ada/115376] New: ICE with if expression in value setting of a
 constant declaration
Date: Thu, 06 Jun 2024 20:01:43 +0000
X-Bugzilla-Reason: CC
X-Bugzilla-Type: new
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X-Bugzilla-Product: gcc
X-Bugzilla-Component: ada
X-Bugzilla-Version: 13.2.0
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X-Bugzilla-Severity: normal
X-Bugzilla-Who: p.p11 at orange dot fr
X-Bugzilla-Status: UNCONFIRMED
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X-Bugzilla-Priority: P3
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D115376

            Bug ID: 115376
           Summary: ICE with if expression in value setting of a constant
                    declaration
           Product: gcc
           Version: 13.2.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: ada
          Assignee: unassigned at gcc dot gnu.org
          Reporter: p.p11 at orange dot fr
                CC: dkm at gcc dot gnu.org
  Target Milestone: ---

Steps to reproduce:
Get ALS source from als-25.0w-20240506-162AE-src.
Launch make:

% make BUILD_MODE=3Dprod
...
gprbuild -m -j4  -XSUPERPROJECT=3D -P gnat/lsp_server.gpr -p -XBUILD_MODE=
=3Dprod
-XOS=3Dosx -XLIBRARY_TYPE=3Drelocatable -XXMLADA_BUILD=3Drelocatable
-XGPR_BUILD=3Drelocatable \
        -XVERSION=3D -XBUILD_DATE=3D
lsp_server.gpr:28:09: warning: there are no sources of language "C++" in th=
is
project
Compile
...
   [Ada]          lsp-ada_execute_command.adb
+=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3DGNAT BUG DETECTED=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D+
| 13.2.0 (x86_64-apple-darwin21.6.0) GCC error:                            |
| in gnat_to_gnu_entity, at ada/gcc-interface/decl.cc:475                  |
| Error detected at lsp-ada_execute_command.adb:88:13=20=20=20=20=20

      Command : constant Command_Access :=3D
          (if Tag =3D Ada.Tags.No_Tag then null
           else new LSP.Ada_Commands.Command'Class'
             (Create_Command (Tag, Params.arguments'Unrestricted_Access)));=
 --
line 88

Compilation is correct if I change into:
      Command : Command_Access;
...
      if Tag =3D Ada.Tags.No_Tag then
        Command :=3D null;
      else
        Command :=3D new LSP.Ada_Commands.Command'Class'
           (Create_Command (Tag, Params.arguments'Unrestricted_Access));
      end if;=