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Subject: [Bug libstdc++/107801] Building cross compiler for H8 family fails
 in libstdc++ (c++17/memory_resource.cc)
Date: Tue, 16 May 2023 12:50:47 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D107801

--- Comment #18 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The releases/gcc-11 branch has been updated by Jonathan Wakely
<redi@gcc.gnu.org>:

https://gcc.gnu.org/g:047c0fae82ca1458339e7e9724d125d30b685898

commit r11-10776-g047c0fae82ca1458339e7e9724d125d30b685898
Author: Jonathan Wakely <jwakely@redhat.com>
Date:   Tue Nov 22 09:53:36 2022 +0000

    libstdc++: Fix pool resource build errors for H8 [PR107801]

    The array of pool sizes was previously adjusted to work for msp430-elf
    which has 16-bit int and either 16-bit size_t or 20-bit size_t. The
    largest pool sizes were disabled unless size_t has more than 20 bits.

    The H8 family has 16-bit int but 32-bit size_t, which means that the
    largest sizes are enabled, but 1<<15 produces a negative number that
    then cannot be narrowed to size_t.

    Replace the test for 32-bit size_t with a test for 32-bit int, which
    means we won't use the 4kiB to 4MiB pools for targets with 16-bit int
    even if they have a wider size_t.

    libstdc++-v3/ChangeLog:

            PR libstdc++/107801
            * src/c++17/memory_resource.cc (pool_sizes): Disable large pools
            for targets with 16-bit int.

    (cherry picked from commit 0f9659e770304d3c44cfa0e793833a461bc487aa)=