https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80349
Jakub Jelinek changed:
What|Removed |Added
Status|ASSIGNED|RESOLVED
Resolution|---
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80349
--- Comment #16 from Jakub Jelinek ---
Author: jakub
Date: Fri May 5 21:55:29 2017
New Revision: 247702
URL: https://gcc.gnu.org/viewcvs?rev=247702=gcc=rev
Log:
Backported from mainline
2017-04-12 Jakub Jelinek
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80349
--- Comment #15 from Marek Polacek ---
Author: mpolacek
Date: Thu Apr 27 21:12:29 2017
New Revision: 247352
URL: https://gcc.gnu.org/viewcvs?rev=247352=gcc=rev
Log:
PR sanitizer/80349
* fold-const.c (fold_binary_loc) : Convert
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80349
--- Comment #14 from Marek Polacek ---
I believe this all section needs fixing and new testcases:
10793 tree arg00 = TREE_OPERAND (arg0, 0);
10794 tree arg01 = TREE_OPERAND (arg0, 1);
10795 tree arg10 =
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80349
--- Comment #13 from Marek Polacek ---
Thanks, reproduced, will look into it.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80349
--- Comment #12 from Dmitry Babokin ---
int var;
long a;
long foo() {
int i = !(1 & 808U ^ 1 & var) >> 0;
long l = 0 % ((a & 1) != (3053241240409UL & 1));
return i+l;
}
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80349
--- Comment #11 from Marek Polacek ---
Author: mpolacek
Date: Tue Apr 25 17:02:27 2017
New Revision: 247260
URL: https://gcc.gnu.org/viewcvs?rev=247260=gcc=rev
Log:
PR sanitizer/80349
* fold-const.c (fold_binary_loc) : Convert
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80349
--- Comment #10 from Marek Polacek ---
Author: mpolacek
Date: Tue Apr 25 16:39:57 2017
New Revision: 247257
URL: https://gcc.gnu.org/viewcvs?rev=247257=gcc=rev
Log:
PR sanitizer/80349
* fold-const.c (fold_binary_loc) : Convert
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80349
--- Comment #9 from Marek Polacek ---
I've got a fix for Comment 7.
(In reply to Dmitry Babokin from comment #8)
> I also see crashes reporting problems with ^ operator.
Please provide a complete testcase, I've been unable to reproduce another
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80349
--- Comment #8 from Dmitry Babokin ---
I also see crashes reporting problems with ^ operator.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80349
--- Comment #7 from Dmitry Babokin ---
One more. GCC r247062.
> cat f.cpp
unsigned long int ll;
int foo() {
return (2036854775807 >> ll & char(207648476159223) | 502810590243120797UL)
<< 0;
}
> g++ -fsanitize=undefined -O0 -c f.cpp
f.cpp: In
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80349
Jakub Jelinek changed:
What|Removed |Added
Assignee|mpolacek at gcc dot gnu.org|jakub at gcc dot gnu.org
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