(combine_instructions): Clear reg_last_set_label.

From-SVN: r3275

diff --git a/gcc/combine.c b/gcc/combine.c
index 84fbf095596085064c612893c2e81783b2a8a5e2..b99b8e9f2f080744bce32dc7832404843d1a8b84 100644 (file)
--- a/gcc/combine.c
+++ b/gcc/combine.c
@@ -422,6 +422,7 @@ combine_instructions (f, nregs)
   bzero (reg_last_set, nregs * sizeof (rtx));
   bzero (reg_last_set_value, nregs * sizeof (rtx));
   bzero (reg_last_set_table_tick, nregs * sizeof (short));
+  bzero (reg_last_set_label, nregs * sizeof (short));
   bzero (reg_last_set_invalid, nregs * sizeof (char));
   bzero (reg_nonzero_bits, nregs * sizeof (HOST_WIDE_INT));
   bzero (reg_sign_bit_copies, nregs * sizeof (char));