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-rw-r--r--gcc/testsuite/ChangeLog6
-rw-r--r--gcc/testsuite/gfortran.dg/string_null_compare_1.f15
2 files changed, 21 insertions, 0 deletions
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 786b6ca..96c5729 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,9 @@
+2006-05-28 Thomas Koenig <Thomas.Koenig@online.de>
+
+ * intrinsics/string_intrinsics.c (compare_string):
+ Use memcmp instead of strncmp to avoid tripping over
+ CHAR(0) in a string.
+
2006-05-27 Richard Guenther <rguenther@suse.de>
PR middle-end/27773
diff --git a/gcc/testsuite/gfortran.dg/string_null_compare_1.f b/gcc/testsuite/gfortran.dg/string_null_compare_1.f
new file mode 100644
index 0000000..2e6eb1b
--- /dev/null
+++ b/gcc/testsuite/gfortran.dg/string_null_compare_1.f
@@ -0,0 +1,15 @@
+! { dg-do run }
+! PR 27784 - Different strings should compare unequal even if they
+! have CHAR(0) in them.
+
+ program main
+ character*3 str1, str2
+ call setval(str1, str2)
+ if (str1 == str2) call abort
+ end
+
+ subroutine setval(str1, str2)
+ character*3 str1, str2
+ str1 = 'a' // CHAR(0) // 'a'
+ str2 = 'a' // CHAR(0) // 'c'
+ end