[Bug modula2/112506] gm2 test failures on x86_64-apple-darwin21

[iains at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112506

--- Comment #3 from Iain Sandoe <iains at gcc dot gnu.org> ---
with a case sensitive source partition on x86_64-darwin12, (I think these have
also been reported, but cannot find the pR right now):

                === gm2 tests ===


Running target unix
FAIL: gm2/iso/run/pass/m2date.mod execution,  -g 
FAIL: gm2/iso/run/pass/m2date.mod execution,  -O 
FAIL: gm2/iso/run/pass/m2date.mod execution,  -O -g 
FAIL: gm2/iso/run/pass/m2date.mod execution,  -Os 
FAIL: gm2/iso/run/pass/m2date.mod execution,  -O3 -fomit-frame-pointer 
FAIL: gm2/iso/run/pass/m2date.mod execution,  -O3 -fomit-frame-pointer
-finline-functions 
FAIL: gm2/iso/run/pass/testclock.mod execution,  -g 
FAIL: gm2/iso/run/pass/testclock.mod execution,  -O 
FAIL: gm2/iso/run/pass/testclock.mod execution,  -O -g 
FAIL: gm2/iso/run/pass/testclock.mod execution,  -Os 
FAIL: gm2/iso/run/pass/testclock.mod execution,  -O3 -fomit-frame-pointer 
FAIL: gm2/iso/run/pass/testclock.mod execution,  -O3 -fomit-frame-pointer
-finline-functions 

                === gm2 Summary ===

# of expected passes            12884
# of unexpected failures        12