[gcc r11-3278] cfgloop.h: Reword comment describing is_exit flag

[gcc r11-3278] cfgloop.h: Reword comment describing is_exit flag

[Alex Coplan]

https://gcc.gnu.org/g:2bc8c6ed8492a3027d88974eee3426771cfb78eb

commit r11-3278-g2bc8c6ed8492a3027d88974eee3426771cfb78eb
Author: Alex Coplan <alex.coplan@arm.com>
Date:   Fri Sep 18 10:43:53 2020 +0100

    cfgloop.h: Reword comment describing is_exit flag
    
    This simple change rewords a comment in cfgloop.h to improve the grammar
    and readability.
    
    gcc/ChangeLog:
    
            * cfgloop.h (nb_iter_bound): Reword comment describing is_exit.

Diff:
---
 gcc/cfgloop.h | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/gcc/cfgloop.h b/gcc/cfgloop.h
index 18b404e292f..be978288aab 100644
--- a/gcc/cfgloop.h
+++ b/gcc/cfgloop.h
@@ -60,9 +60,9 @@ public:
      b) it is consistent with the result of number_of_iterations_exit.  */
   widest_int bound;
 
-  /* True if the statement will cause the loop to be leaved the (at most)
-     BOUND + 1-st time it is executed, that is, all the statements after it
-     are executed at most BOUND times.  */
+  /* True if, after executing the statement BOUND + 1 times, we will
+     leave the loop; that is, all the statements after it are executed at most
+     BOUND times.  */
   bool is_exit;
 
   /* The next bound in the list.  */