GitLab

	PR middle-end/19551
	* flow.c (libcall_dead_p): Be more conservative if unsure.
	If there are any instructions between insn and call, see if they are
	all dead before saying the libcall is dead.

	* gcc.c-torture/execute/20050121-1.c: New test.
	* gcc.dg/20050121-2.c: New test.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@94145 138bc75d-0d04-0410-961f-82ee72b054a4