https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91699
Iain Sandoe <iains at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Last reconfirmed|2019-09-07 00:00:00 |2019-9-20 --- Comment #1 from Iain Sandoe <iains at gcc dot gnu.org> --- similar effects are repeatable on x86_64-linux-gnu and powerpc64-linux-gnu. e.g. on x86-64-linux-gnu: In function 'copy2', inlined from 'MAIN__' at /home/iains/gcc-trunk/src/gcc/testsuite/gfortran.dg/argument_checking_1.f90:13:0, inlined from 'main' at /home/iains/gcc-trunk/src/gcc/testsuite/gfortran.dg/argument_checking_1.f90:18:0: /home/iains/gcc-trunk/src/gcc/testsuite/gfortran.dg/argument_checking_1.f90:28: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=] FAIL: gfortran.dg/argument_checking_1.f90 -O3 -fomit-frame-pointer -funroll-loops -fpeel-loops -ftracer -finline-functions (test for excess errors) Excess errors: /home/iains/gcc-trunk/src/gcc/testsuite/gfortran.dg/argument_checking_1.f90:28:0: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]