[Bug tree-optimization/126464] [13/14/15 Regression] wrong code with FP ranges since r13-3926

[cvs-commit at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=126464

--- Comment #22 from GCC Commits <cvs-commit at gcc dot gnu.org> ---
The releases/gcc-15 branch has been updated by Jakub Jelinek
<jakub@gcc.gnu.org>:

https://gcc.gnu.org/g:a47ba832ccfd4d75bd711feea2aa1af8b58afa63

commit r15-11518-ga47ba832ccfd4d75bd711feea2aa1af8b58afa63
Author: Jakub Jelinek <jakub@redhat.com>
Date:   Tue Aug 4 21:42:49 2026 +0200

    testsuite: Fix up gcc.dg/pr126464.c test [PR126464]

    On Tue, Aug 04, 2026 at 02:13:19PM +0200, Torbjorn SVENSSON wrote:
    > This causes regression on most (all?) arm-none-eabi targets.
    > /build/gcc_src/gcc/testsuite/gcc.dg/pr126464.c:56:3: warning: floating
constant exceeds range of 'long double' [-Woverflow]

    This patch guards it with preprocessor tests whether such floating point
    constants are representable.

    2026-08-04  Jakub Jelinek  <jakub@redhat.com>

            PR tree-optimization/126464
            * gcc.dg/pr126464.c: Guard uses of 1e300 with
            __DBL_MAX_10_EXP__ >= 301 and uses of 1e4000L with
            __LDBL_MAX_10_EXP__ >= 4001.

    Reviewed-by: Andrea Pinski <andrew.pinski@oss.qualcomm.com>
    (cherry picked from commit b5b0203b8c3b7cee4e65a09e4443f948dee434b4)