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diff --git a/gdb/testsuite/gdb.base/break-include.c b/gdb/testsuite/gdb.base/break-include.c
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+/* This testcase is part of GDB, the GNU debugger.
+
+ Copyright 2016-2018 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/>. */
+
+int next (int i);
+
+int
+main (void)
+{
+ int result = -1;
+
+ result = next (result);
+ return result;
+}
+
+/* The following function's implementation starts by including a file
+ (break-include.inc) which contains a copyright header followed by
+ a single C statement. When we place a breakpoint on the line where
+ the function name is declared, we expect GDB to skip the function's
+ prologue, and insert the breakpoint on the first line of "user" code
+ for that function, which we have set up to be that single statement
+ break-include.inc provides.
+
+ The purpose of this testcase is to verify that, when we insert
+ that breakpoint, GDB reports the location as being in that include
+ file, but also using the correct line number inside that include
+ file -- NOT the line number we originally used to insert the
+ breakpoint, nor the location where the file is included from.
+ In order to verify that GDB shows the right line number, we must
+ be careful that this first statement located in break-include.inc
+ and our function are not on the same line number. Otherwise,
+ we could potentially have a false PASS.
+
+ This is why we implement the following function as far away
+ from the start of this file as possible, as we know that
+ break-include.inc is a fairly short file (copyright header
+ and single statement only). */
+
+int
+next (int i) /* break here */
+{
+#include "break-include.inc"
+ return i;
+}