make check test failures on (MacOS 14.5, M3 pro, Xcode 15.3)

[Luc des Trois Maisons]

Hello,
This doesn't appear to be listed in the known build problems, or the
Notes for particular systems. Apologies in advance if duplicate.

When building GMP on an M3-based Macbook Pro with MacOS Sonoma 14.5,
and Xcode 15.3 (15E204a), the majority of the test suite covered by
make check appears to be failing:
============================================================================
Testsuite summary for GNU MP 6.2.1
============================================================================
# TOTAL: 50
# PASS:  16
# SKIP:  0
# XFAIL: 0
# FAIL:  34
# XPASS: 0
# ERROR: 0
============================================================================
See tests/mpn/test-suite.log
Please report to gmp-bugs at gmplib.org, see
https://gmplib.org/manual/Reporting-Bugs.html
============================================================================

As a previous step, I had built and installed GNU m4 v1.4.19 with the
following configure invocation:
~/development/gcc/m4-1.4.19/configure --prefix=$HOME/development/gcc

Attempting to build GMP as follows:

% PATH=$HOME/development/gcc/bin:$PATH
~/development/gcc/gmp-6.2.1/configure CC=clang
--prefix=$HOME/development/gcc

% PATH=$HOME/development/gcc/bin:$PATH make -j4

% PATH=$HOME/development/gcc/bin:$PATH make check

% PATH=$HOME/development/gcc/bin:$PATH ~/development/gcc/gmp-6.2.1/config.guess
aarch64-apple-darwin23.5.0

% PATH=$HOME/development/gcc/bin:$PATH
~/development/gcc/gmp-6.2.1/configfsf.guess
aarch64-apple-darwin23.5.0

% uname -a
Darwin Statik.lan 23.5.0 Darwin Kernel Version 23.5.0: Wed May  1
20:13:18 PDT 2024; root:xnu-10063.121.3~5/RELEASE_ARM64_T6030 arm64

% clang --version
Apple clang version 15.0.0 (clang-1500.3.9.4)
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