>>>>> Andreas Schwab wrote:

> I see this failure on aarch64 with -mabi=ilp32:

> FAIL: gfortran.dg/alloc_comp_auto_array_2.f90   -O3 -fomit-frame-pointer 
> -funroll-loops -fpeel-loops -ftracer -finline-functions  (test for excess 
> errors)
> Excess errors:
> /opt/gcc/gcc-20170505/gcc/testsuite/gfortran.dg/alloc_comp_auto_array_2.f90:33:0:
>  Warning: '__builtin_memcpy': specified size between 2147483648 and 
> 4294967295 exceeds maximum object size 2147483647 [-Wstringop-overflow=]

I'm seeing a huge number of similar, new testsuite failures on AIX
that all match the testcases from the PR79214 commit:

pr79138.c
pr79214.c
pr79222.c
pr79223.c
unconstrained_commons.c

AIX defaults to 32 bit.  Do these testcases assume 64 bit types?  I
believe that all of the matching text of for the warning messages all
assume 64 bit sizes.

Thanks, David

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