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-rw-r--r--gcc/testsuite/ChangeLog5
-rw-r--r--gcc/testsuite/gfortran.dg/warn_concat.f909
2 files changed, 14 insertions, 0 deletions
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 85b4190..098444a 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2018-03-18 Thomas Koenig <tkoenig@gcc.gnu.org>
+
+ PR fortran/79929
+ * gfortran.dg/warn_concat.f90: New test.
+
2018-03-16 Jakub Jelinek <jakub@redhat.com>
PR target/84899
diff --git a/gcc/testsuite/gfortran.dg/warn_concat.f90 b/gcc/testsuite/gfortran.dg/warn_concat.f90
new file mode 100644
index 0000000..8006dd3
--- /dev/null
+++ b/gcc/testsuite/gfortran.dg/warn_concat.f90
@@ -0,0 +1,9 @@
+! { dg-do compile }
+! { dg-additional-options "-Wall -O3" }
+! PR 79929 - this used to give a warning.
+! Test case by Harald Anlauf.
+subroutine gfcbug138 (yerrmsg)
+ character(*) :: yerrmsg
+ yerrmsg = ""
+ yerrmsg = "bug: " // yerrmsg
+end subroutine gfcbug138