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[Bug fortran/83705] [8 Regression] ICE/wrong code with large values of REPEAT after revision r256284
- From: "jb at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Thu, 01 Feb 2018 07:41:36 +0000
- Subject: [Bug fortran/83705] [8 Regression] ICE/wrong code with large values of REPEAT after revision r256284
- Auto-submitted: auto-generated
- References: <bug-83705-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83705
--- Comment #8 from Janne Blomqvist <jb at gcc dot gnu.org> ---
Author: jb
Date: Thu Feb 1 07:41:03 2018
New Revision: 257281
URL: https://gcc.gnu.org/viewcvs?rev=257281&root=gcc&view=rev
Log:
PR 83705 Repeat with large values
This patch fixes the regression by increasing the limit where we fall
back to runtime to 2**28 elements, which is the same limit where
previous releases failed. The are still bugs in the runtime
evaluation, so in many cases longer characters will still fail, so
print a warning message.
Regtested on x86_64-pc-linux-gnu.
gcc/fortran/ChangeLog:
2018-02-01 Janne Blomqvist <jb@gcc.gnu.org>
PR fortran/83705
* simplify.c (gfc_simplify_repeat): Increase limit for deferring
to runtime, print a warning message.
gcc/testsuite/ChangeLog:
2018-02-01 Janne Blomqvist <jb@gcc.gnu.org>
PR fortran/83705
* gfortran.dg/repeat_7.f90: Catch warning message.
Modified:
trunk/gcc/fortran/ChangeLog
trunk/gcc/fortran/simplify.c
trunk/gcc/testsuite/ChangeLog
trunk/gcc/testsuite/gfortran.dg/repeat_7.f90