PR debug/44223
authorjakub <jakub@138bc75d-0d04-0410-961f-82ee72b054a4>
Fri, 21 May 2010 18:45:29 +0000 (18:45 +0000)
committerjakub <jakub@138bc75d-0d04-0410-961f-82ee72b054a4>
Fri, 21 May 2010 18:45:29 +0000 (18:45 +0000)
commit47086a61a88b49eb7490f0a7f4f864af4ee9584b
treeecc6ff1833b54604393846a37e39a3473d3c215c
parentdae0b5cb50db9ca6cef431ff04cc3dcb322eb943
PR debug/44223
* haifa-sched.c (schedule_insn): When freeing INSN_REG_USE_LIST,
unchain each use from the cyclic next_regno_use chain first.

* gcc.target/i386/pr44223.c: New test.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@159680 138bc75d-0d04-0410-961f-82ee72b054a4
gcc/ChangeLog
gcc/haifa-sched.c
gcc/testsuite/ChangeLog
gcc/testsuite/gcc.target/i386/pr44223.c [new file with mode: 0644]