[gcc r14-9896] analyzer, testuite: comment fixes

[gcc r14-9896] analyzer, testuite: comment fixes

[David Malcolm]

https://gcc.gnu.org/g:082374f6570a311b0ef95cdf712dbc6eb1e7cd17

commit r14-9896-g082374f6570a311b0ef95cdf712dbc6eb1e7cd17
Author: David Malcolm <dmalcolm@redhat.com>
Date:   Wed Apr 10 16:43:27 2024 -0400

    analyzer, testuite: comment fixes
    
    gcc/testsuite/ChangeLog:
            * c-c++-common/analyzer/memset-1.c: Clarify some comments.
    
    Signed-off-by: David Malcolm <dmalcolm@redhat.com>

Diff:
---
 gcc/testsuite/c-c++-common/analyzer/memset-1.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/gcc/testsuite/c-c++-common/analyzer/memset-1.c b/gcc/testsuite/c-c++-common/analyzer/memset-1.c
index 75aef53d348..d6695d49411 100644
--- a/gcc/testsuite/c-c++-common/analyzer/memset-1.c
+++ b/gcc/testsuite/c-c++-common/analyzer/memset-1.c
@@ -58,7 +58,7 @@ void test_5 (int n)
   __analyzer_eval (buf[42] == 'A'); /* { dg-warning "TRUE" } */
   memset (buf, 0, n);
 
-  /* We can't know if buf[42] was written to or not.  */
+  /* We can't know if buf[42] was overwritten by the memset or not.  */
   __analyzer_eval (buf[42] == 'A'); /* { dg-warning "UNKNOWN" } */
   __analyzer_eval (buf[42] == '\0'); /* { dg-warning "UNKNOWN" } */
 }
@@ -72,7 +72,7 @@ void test_5a (int n)
   __analyzer_eval (buf[42] == 'A'); /* { dg-warning "TRUE" } */
   __builtin___memset_chk (buf, 0, n, __builtin_object_size (buf, 0));
 
-  /* We can't know if buf[42] was written to or not.  */
+  /* We can't know if buf[42] was overwritten by the memset or not.  */
   __analyzer_eval (buf[42] == 'A'); /* { dg-warning "UNKNOWN" } */
   __analyzer_eval (buf[42] == '\0'); /* { dg-warning "UNKNOWN" } */
 }