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
+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
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