https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84480
--- Comment #4 from Martin Sebor <msebor at gcc dot gnu.org> --- Author: msebor Date: Thu Feb 22 17:35:29 2018 New Revision: 257910 URL: https://gcc.gnu.org/viewcvs?rev=257910&root=gcc&view=rev Log: PR tree-optimization/84480 - bogus -Wstringop-truncation despite assignment with an inlined string literal gcc/ChangeLog: PR tree-optimization/84480 * gimple-fold.c (gimple_fold_builtin_strcpy): Move warnings to maybe_diag_stxncpy_trunc. Call it. * tree-ssa-strlen.c (maybe_diag_stxncpy_trunc): Integrate warnings from gimple_fold_builtin_strcpy. Print inlining stack. (handle_builtin_stxncpy): Print inlining stack. * tree-ssa-strlen.h (maybe_diag_stxncpy_trunc): Declare. gcc/testsuite/ChangeLog: PR tree-optimization/84480 * c-c++-common/Wstringop-truncation.c: Adjust text of expected warnings. * g++.dg/warn/Wstringop-truncation-1.C: New test. Added: trunk/gcc/testsuite/g++.dg/warn/Wstringop-truncation-1.C trunk/gcc/tree-ssa-strlen.h Modified: trunk/gcc/ChangeLog trunk/gcc/gimple-fold.c trunk/gcc/testsuite/ChangeLog trunk/gcc/testsuite/c-c++-common/Wstringop-truncation.c trunk/gcc/tree-ssa-strlen.c