From 5288f9994e6c40009edfaed50bc79b0cf8fb42af Mon Sep 17 00:00:00 2001 From: Kenneth Zadeck <zadeck@naturalbridge.com> Date: Sun, 12 Oct 2008 21:16:57 +0000 Subject: [PATCH] re PR target/37808 (Revision 141067 breaks Linux/x86) 2008-10-12 Kenneth Zadeck <zadeck@naturalbridge.com> PR middle-end/37808 * df-scan.c (df_ref_change_reg_with_loc_1): Added test to make sure that ref has valid bb. From-SVN: r141078 --- gcc/ChangeLog | 6 ++++++ gcc/df-scan.c | 3 ++- 2 files changed, 8 insertions(+), 1 deletion(-) diff --git a/gcc/ChangeLog b/gcc/ChangeLog index a7da2148d27b..5368a7c16962 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2008-10-12 Kenneth Zadeck <zadeck@naturalbridge.com> + + PR middle-end/37808 + * df-scan.c (df_ref_change_reg_with_loc_1): Added test to make + sure that ref has valid bb. + 2008-10-12 Richard Henderson <rth@redhat.com> PR middle-end/37447 diff --git a/gcc/df-scan.c b/gcc/df-scan.c index ec0d12edc540..761ba79121ce 100644 --- a/gcc/df-scan.c +++ b/gcc/df-scan.c @@ -1980,7 +1980,8 @@ df_ref_change_reg_with_loc_1 (struct df_reg_info *old_df, DF_REF_PREV_REG (new_df->reg_chain) = the_ref; new_df->reg_chain = the_ref; new_df->n_refs++; - df_set_bb_dirty (DF_REF_BB (the_ref)); + if (DF_REF_BB (the_ref)) + df_set_bb_dirty (DF_REF_BB (the_ref)); /* Need to sort the record again that the ref was in because the regno is a sorting key. First, find the right -- GitLab