https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96890
--- Comment #8 from CVS Commits <cvs-commit at gcc dot gnu.org> --- The releases/gcc-10 branch has been updated by Harald Anlauf <anl...@gcc.gnu.org>: https://gcc.gnu.org/g:19c2bd56876302aebb2bdc20b376395931cd5041 commit r10-8718-g19c2bd56876302aebb2bdc20b376395931cd5041 Author: Harald Anlauf <anl...@gmx.de> Date: Thu Sep 3 20:33:14 2020 +0200 PR fortran/96890 - Wrong answer with intrinsic IALL The IALL intrinsic would always return 0 when the DIM and MASK arguments were present since the initial value of repeated BIT-AND operations was set to 0 instead of -1. libgfortran/ChangeLog: * m4/iall.m4: Initial value for result should be -1. * generated/iall_i1.c (miall_i1): Generated. * generated/iall_i16.c (miall_i16): Likewise. * generated/iall_i2.c (miall_i2): Likewise. * generated/iall_i4.c (miall_i4): Likewise. * generated/iall_i8.c (miall_i8): Likewise. gcc/testsuite/ChangeLog: * gfortran.dg/iall_masked.f90: New test. (cherry picked from commit 8eeeecbcc17041fdfd3ccc928161ae86e7f9b456)