[Bug tree-optimization/86274] [7/8 Regression] SEGFAULT when logging std::to_string(NAN)

2018-07-14 Thread msebor at gcc dot gnu.org 
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86274

--- Comment #19 from Martin Sebor  ---
Author: msebor
Date: Sat Jul 14 21:32:10 2018
New Revision: 262661

URL: https://gcc.gnu.org/viewcvs?rev=262661&root=gcc&view=rev
Log:
PR tree-optimization/86274 - SEGFAULT when logging std::to_string(NAN)

gcc/ChangeLog:

PR tree-optimization/86274
* gimple-ssa-sprintf.c (fmtresult::type_max_digits): Verify
precondition.
(format_floating): Correct handling of infinities and NaNs.

gcc/testsuite/ChangeLog:

PR tree-optimization/86274
* gcc.dg/tree-ssa/builtin-sprintf-9.c: New test.
* gcc.dg/tree-ssa/builtin-sprintf-warn-1.c: Adjust.
* gcc.dg/tree-ssa/builtin-sprintf-warn-10.c: Same.
* gcc.dg/tree-ssa/builtin-sprintf-warn-15.c: Same.
* gcc.dg/tree-ssa/builtin-sprintf-warn-7.c: Same.
* gcc.dg/tree-ssa/builtin-sprintf.c: Same.
* gcc.dg/tree-ssa/pr83198.c: Same.


Added:
branches/gcc-8-branch/gcc/testsuite/gcc.dg/torture/builtin-sprintf.c
branches/gcc-8-branch/gcc/testsuite/gcc.dg/tree-ssa/builtin-sprintf-9.c
Modified:
branches/gcc-8-branch/gcc/ChangeLog
branches/gcc-8-branch/gcc/gimple-ssa-sprintf.c
branches/gcc-8-branch/gcc/testsuite/ChangeLog
   
branches/gcc-8-branch/gcc/testsuite/gcc.dg/tree-ssa/builtin-sprintf-warn-1.c
   
branches/gcc-8-branch/gcc/testsuite/gcc.dg/tree-ssa/builtin-sprintf-warn-10.c
   
branches/gcc-8-branch/gcc/testsuite/gcc.dg/tree-ssa/builtin-sprintf-warn-15.c
   
branches/gcc-8-branch/gcc/testsuite/gcc.dg/tree-ssa/builtin-sprintf-warn-7.c
branches/gcc-8-branch/gcc/testsuite/gcc.dg/tree-ssa/builtin-sprintf.c
branches/gcc-8-branch/gcc/testsuite/gcc.dg/tree-ssa/pr83198.c

[Bug tree-optimization/86274] [7/8 Regression] SEGFAULT when logging std::to_string(NAN)

2018-07-07 Thread floop at floop dot cz 
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86274

--- Comment #18 from Filip Matzner  ---
Thank you everyone. Your efficiency is breathtaking.

[Bug tree-optimization/86274] [7/8 Regression] SEGFAULT when logging std::to_string(NAN)

2018-07-04 Thread msebor at gcc dot gnu.org 
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86274

--- Comment #17 from Martin Sebor  ---
Author: msebor
Date: Wed Jul  4 18:58:51 2018
New Revision: 262419

URL: https://gcc.gnu.org/viewcvs?rev=262419&root=gcc&view=rev
Log:
gcc/testsuite/ChangeLog:

PR tree-optimization/86274
* gcc.dg/tree-ssa/builtin-sprintf-9.c: Fix typo.

Modified:
trunk/gcc/testsuite/ChangeLog
trunk/gcc/testsuite/gcc.dg/tree-ssa/builtin-sprintf-9.c

[Bug tree-optimization/86274] [7/8 Regression] SEGFAULT when logging std::to_string(NAN)

2018-07-03 Thread msebor at gcc dot gnu.org 
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86274

Martin Sebor  changed:

   What|Removed |Added

Summary|[7/8/9 Regression] SEGFAULT |[7/8 Regression] SEGFAULT
   |when logging|when logging
   |std::to_string(NAN) |std::to_string(NAN)
  Known to fail|9.0 |

--- Comment #16 from Martin Sebor  ---
Fixed on trunk via r262368.