https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78461
--- Comment #5 from Martin Sebor <msebor at gcc dot gnu.org> --- Author: msebor Date: Wed Nov 23 16:44:16 2016 New Revision: 242769 URL: https://gcc.gnu.org/viewcvs?rev=242769&root=gcc&view=rev Log: PR middle-end/78461 - [7 Regression] ICE: in operator+= gcc/testsuite/ChangeLog: PR middle-end/78461 * gcc.dg/tree-ssa/builtin-sprintf-4.c: New test. * gcc.dg/tree-ssa/builtin-sprintf-warn-2.c: Adjust warning text. gcc/ChangeLog: PR middle-end/78461 * gimple-ssa-sprintf.c (format_string): Correct the maxima and set the minimum number of bytes for an unknown string to zero. Added: trunk/gcc/testsuite/gcc.dg/tree-ssa/builtin-sprintf-4.c Modified: trunk/gcc/ChangeLog trunk/gcc/gimple-ssa-sprintf.c trunk/gcc/testsuite/ChangeLog trunk/gcc/testsuite/gcc.dg/tree-ssa/builtin-sprintf-warn-2.c