https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81908
--- Comment #9 from Aldy Hernandez <aldyh at gcc dot gnu.org> --- Author: aldyh Date: Wed Sep 13 17:28:29 2017 New Revision: 252570 URL: https://gcc.gnu.org/viewcvs?rev=252570&root=gcc&view=rev Log: PR middle-end/81908 - FAIL: gfortran.dg/alloc_comp_auto_array_2.f90 -O3 -g -m32 gcc/ChangeLog: PR middle-end/81908 * gimple-fold.c (size_must_be_zero_p): New function. (gimple_fold_builtin_memory_op): Call it. gcc/testsuite/ChangeLog: PR middle-end/81908 * gcc.dg/tree-ssa/builtins-folding-gimple-2.c: New test. * gcc.dg/tree-ssa/builtins-folding-gimple-3.c: New test. * gcc.dg/tree-ssa/pr81908.c: New test. Added: branches/range-gen2/gcc/testsuite/gcc.dg/tree-ssa/builtins-folding-gimple-2.c branches/range-gen2/gcc/testsuite/gcc.dg/tree-ssa/builtins-folding-gimple-3.c branches/range-gen2/gcc/testsuite/gcc.dg/tree-ssa/pr81908.c Modified: branches/range-gen2/gcc/ChangeLog branches/range-gen2/gcc/gimple-fold.c branches/range-gen2/gcc/testsuite/ChangeLog