3 files changed, 67 insertions, 3 deletions
diff --git a/gdb/testsuite/ChangeLog b/gdb/testsuite/ChangeLog
index b5319ae00d7..f3cb971478c 100644
--- a/gdb/testsuite/ChangeLog
+++ b/gdb/testsuite/ChangeLog
@@ -1,3 +1,9 @@
+2016-11-09  Andreas Arnez  <arnez@linux.vnet.ibm.com>
+
+	* gdb.base/tui-layout.c: New file.
+	* gdb.base/tui-layout.exp: Use tui-layout.c, to ensure that the
+	disassembly window contains very long lines.
+
 2016-11-08  Tom Tromey  <tom@tromey.com>
 
 	* gdb.python/py-value.exp (test_value_creation): Make "long" test
diff --git a/gdb/testsuite/gdb.base/tui-layout.c b/gdb/testsuite/gdb.base/tui-layout.c
new file mode 100644
index 00000000000..4049f9bb653
--- /dev/null
+++ b/gdb/testsuite/gdb.base/tui-layout.c
@@ -0,0 +1,47 @@
+/* This testcase is part of GDB, the GNU debugger.
+
+   Copyright 2016 Free Software Foundation, Inc.
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+
+#define LONGER_NAME(x) x ## x
+#define LONGER(x) LONGER_NAME(x)
+#define LONGNAME1 d_this_identifier_of_32_chars_an
+#define LONGNAME2 LONGER (LONGER (LONGER (LONGER (LONGER (LONGNAME1)))))
+
+/* Construct a long identifier name.  If SHORT_IDENTIFIERS is set, limit
+   it to 1024 chars.  */
+
+#ifdef SHORT_IDENTIFIERS
+#define LONGNAME3 LONGNAME2
+#else
+#define LONGNAME3 LONGER (LONGER (LONGER (LONGER (LONGER (LONGNAME2)))))
+#endif
+
+void LONGNAME3 (void);
+
+int
+main ()
+{
+  LONGNAME3 ();
+  return 0;
+}
+
+/* Function with a long name.  Placing it after main makes it more likely
+   to be shown in the disassembly window on startup.  */
+
+void
+LONGNAME3 (void)
+{
+}
diff --git a/gdb/testsuite/gdb.base/tui-layout.exp b/gdb/testsuite/gdb.base/tui-layout.exp
index 43b3a4fc57e..d8cd228fb54 100644
--- a/gdb/testsuite/gdb.base/tui-layout.exp
+++ b/gdb/testsuite/gdb.base/tui-layout.exp
@@ -13,12 +13,23 @@
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
-standard_testfile start.c
+standard_testfile
 
-if { [prepare_for_testing ${testfile}.exp ${testfile} $srcfile] } {
-    return -1
+set ccopts {debug quiet}
+if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "$binfile" \
+	  executable $ccopts] != "" } {
+    # Maybe the compiler can't handle arbitrarily long identfier names.
+    # Try with a shorter version.
+    lappend ccopts "additional_flags=-DSHORT_IDENTIFIERS"
+    if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "$binfile" \
+	      executable $ccopts] != "" } {
+	untested "compile"
+	return -1
+    }
 }
 
+clean_restart "$binfile"
+
 if {[skip_tui_tests]} {
     # TUI support is disabled.  Check for error message.
     gdb_test "layout asm" "Undefined command: \"layout\".  Try \"help\"."