[Bug ada/25885] [4.0/4.1/4.2 Regression] Tree checking failure on ASIS

[ebotcazou at gcc dot gnu dot org]

------- Comment #4 from ebotcazou at gcc dot gnu dot org  2006-01-20 20:14 -------
> Confirmed on 4.0.2, also present in 4.1 and 4.2
> 
> $ gcc -c -O2 gnatpp-comments.adb
> +===========================GNAT BUG DETECTED==============================+
> | 4.1.0 20060112 (prerelease) (x86_64-unknown-linux-gnu) GCC error:        |
> | tree check: expected integer_cst, have nop_expr in int_const_binop,      |
> |    at fold-const.c:1330                                                  |
> | Error detected at gnatpp-comments.adb:944:17                             |
> 
> $ gcc -c -O2 gnatpp-comments.adb
> +===========================GNAT BUG DETECTED==============================+
> | 4.2.0 20060115 (experimental) (x86_64-unknown-linux-gnu) GCC error:      |
> | tree check: expected integer_cst, have nop_expr in int_const_binop,      |
> |    at fold-const.c:1369                                                  |
> | Error detected at gnatpp-comments.adb:944:17                             |

Yes, an annoying problem, regression from 3.x.


-- 

ebotcazou at gcc dot gnu dot org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         AssignedTo|unassigned at gcc dot gnu   |ebotcazou at gcc dot gnu dot
                   |dot org                     |org
             Status|NEW                         |ASSIGNED
  GCC build triplet|x86_64-suse-linux-gnu       |*-*-*
   GCC host triplet|x86_64-suse-linux-gnu       |*-*-*
 GCC target triplet|x86_64-suse-linux-gnu       |*-*-*
   Last reconfirmed|2006-01-20 20:01:27         |2006-01-20 20:14:09
               date|                            |
            Summary|Ada ICE have nop_expr in    |[4.0/4.1/4.2 Regression]
                   |int_const_binop  on x86_64- |Tree checking failure on
                   |linux                       |ASIS


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=25885