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re PR middle-end/70992 (Infinite recursion between fold_build2_stat_loc and fold_bina...
authorMarek Polacek <polacek@redhat.com>
Wed, 26 Jul 2017 11:53:17 +0000 (11:53 +0000)
committerMarek Polacek <mpolacek@gcc.gnu.org>
Wed, 26 Jul 2017 11:53:17 +0000 (11:53 +0000)
commitc3d3862950f5708af0db77c76b5db4db5e65740c
treefe268f2ec60db1f3c633b92b4a7228e889a09c9btree
parent4f450a2b1022124194097e39b3b1caca1d5dc2bccommit | diff
re PR middle-end/70992 (Infinite recursion between fold_build2_stat_loc and fold_binary_loc w/ -fwrapv)

PR middle-end/70992
* tree.c (build2_stat): Don't set TREE_CONSTANT on divisions by zero.

* gcc.dg/overflow-warn-1.c: Adjust dg-error.
* gcc.dg/overflow-warn-2.c: Likewise.
* gcc.dg/overflow-warn-3.c: Likewise.
* gcc.dg/overflow-warn-4.c: Likewise.
* gcc.dg/torture/pr70992-2.c: New test.
* gcc.dg/torture/pr70992.c: New test.

From-SVN: r250566
gcc/ChangeLog diff | blob | history
gcc/testsuite/ChangeLog diff | blob | history
gcc/testsuite/gcc.dg/overflow-warn-1.c diff | blob | history
gcc/testsuite/gcc.dg/overflow-warn-2.c diff | blob | history
gcc/testsuite/gcc.dg/overflow-warn-3.c diff | blob | history
gcc/testsuite/gcc.dg/overflow-warn-4.c diff | blob | history
gcc/testsuite/gcc.dg/torture/pr70992-2.c [new file with mode: 0644] blob
gcc/testsuite/gcc.dg/torture/pr70992.c [new file with mode: 0644] blob
gcc/tree.c diff | blob | history