After using function flow_loops_find in cfgloop.c, it is needed to use
free_dominance_info to clear structure which have beend added by the
use of calculate_dominance_info.
I have added a comment precising this.
My contributor number is 634276.
ChangeLog:
2011-05-11 Pierre Vittet <pier...@pvittet.com>
* cfgloop.c (flow_loops_find): Add comment remembering to call
free_dominance_info
Index: gcc/cfgloop.c
===================================================================
--- gcc/cfgloop.c (revision 173677)
+++ gcc/cfgloop.c (working copy)
@@ -368,6 +368,11 @@ init_loops_structure (struct loops *loops, unsigne
/* Find all the natural loops in the function and save in LOOPS structure and
recalculate loop_depth information in basic block structures.
+
+ This function calls calculate_dominance_info which allocates a structure to
+ handle dominance. It must be freed after use with the function
+ free_dominance_info.
+
Return the number of natural loops found. */
int
