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* [Bug ada/101667] New: GNAT bug detected in op1_range in range-op.cc during GIMPLE pass evrp
@ 2021-07-29  0:05 denkpadje at gmail dot com
  2021-07-29  6:35 ` [Bug tree-optimization/101667] " rguenth at gcc dot gnu.org
                   ` (4 more replies)
  0 siblings, 5 replies; 6+ messages in thread
From: denkpadje at gmail dot com @ 2021-07-29  0:05 UTC (permalink / raw)
  To: gcc-bugs

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101667

            Bug ID: 101667
           Summary: GNAT bug detected in op1_range in range-op.cc during
                    GIMPLE pass evrp
           Product: gcc
           Version: 11.1.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: ada
          Assignee: unassigned at gcc dot gnu.org
          Reporter: denkpadje at gmail dot com
  Target Milestone: ---

Created attachment 51220
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=51220&action=edit
src/ folder and Makefile

GNAT bug detected in provided code (see zip file) when tree-vrp is enabled.

Following options are needed to reproduce it: -gnatVa -gnata -O1 -ftree-vrp.

The error can be avoided by using -fno-tree-vrp or -O0 or by removing -gnatVa
or -gnata.

Reproducable in 11.1.0 on Arch Linux

Not reproducable in 10.3.0 and 9.3.0 on Ubuntu 20.04.2 LTS

```
gnatmake -gnatVa -gnata -O1 -ftree-vrp src/egl-objects-displays.adb
gcc -c -Isrc/ -gnatVa -gnata -O1 -ftree-vrp -I- src/egl-objects-displays.adb
during GIMPLE pass: evrp
+===========================GNAT BUG DETECTED==============================+
| 11.1.0 (x86_64-pc-linux-gnu) in op1_range, at range-op.cc:2646           |
| Error detected around
/usr/lib/gcc/x86_64-pc-linux-gnu/11.1.0/adainclude/s-stoele.adb:70:31|
| Please submit a bug report; see https://gcc.gnu.org/bugs/ .              |
| Use a subject line meaningful to you and us to track the bug.            |
| Include the entire contents of this bug box in the report.               |
| Include the exact command that you entered.                              |
| Also include sources listed below.                                       |
+==========================================================================+

Please include these source files with error report
Note that list may not be accurate in some cases,
so please double check that the problem can still
be reproduced with the set of files listed.
Consider also -gnatd.n switch (see debug.adb).

src/egl-objects-displays.adb
src/egl-objects-displays.ads
src/egl-objects.ads
src/egl.ads
src/egl-objects-devices.ads
src/egl-api.ads
src/egl-errors.ads
src/egl-loading.ads


raised TYPES.UNRECOVERABLE_ERROR : comperr.adb:407
```

^ permalink raw reply	[flat|nested] 6+ messages in thread
end of thread, other threads:[~2021-09-10 11:12 UTC | newest]

Thread overview: 6+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2021-07-29  0:05 [Bug ada/101667] New: GNAT bug detected in op1_range in range-op.cc during GIMPLE pass evrp denkpadje at gmail dot com
2021-07-29  6:35 ` [Bug tree-optimization/101667] " rguenth at gcc dot gnu.org
2021-07-29 11:18 ` aldyh at gcc dot gnu.org
2021-07-29 11:28 ` aldyh at gcc dot gnu.org
2021-07-31 12:11 ` denkpadje at gmail dot com
2021-09-10 11:12 ` ebotcazou at gcc dot gnu.org

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