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diff --git a/gold/testsuite/dwp_test_1.cc b/gold/testsuite/dwp_test_1.cc
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+++ b/gold/testsuite/dwp_test_1.cc
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+// dwp_test_1.cc -- a test case for dwp
+
+// Copyright 2012 Free Software Foundation, Inc.
+// Written by Cary Coutant <ccoutant@google.com>.
+
+// This file is part of gold.
+
+// 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, write to the Free Software
+// Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
+// MA 02110-1301, USA.
+
+// Adapted from two_file_test_1.cc.
+
+#include "dwp_test.h"
+
+// 1  Code in file 1 calls code in file 2.
+
+bool
+C1::testcase1()
+{
+  return t1_2() == 123;
+}
+
+// 2  Code in file 1 refers to global data in file 2.
+
+bool
+C1::testcase2()
+{
+  return v2 == 456;
+}
+
+// 3  Code in file 1 referes to common symbol in file 2.
+
+bool
+C1::testcase3()
+{
+  return v3 == 789;
+}
+
+// 4  Code in file 1 refers to offset within global data in file 2.
+
+bool
+C1::testcase4()
+{
+  return v4[5] == ',';
+}
+
+// 5  Code in file 1 refers to offset within common symbol in file 2.
+
+bool
+C2::testcase1()
+{
+  return v5[7] == 'w';
+}
+
+// 6  Data in file 1 refers to global data in file 2.
+
+int* p6 = &v2;
+
+bool
+C2::testcase2()
+{
+  return *p6 == 456;
+}
+
+// 7  Data in file 1 refers to common symbol in file 2.
+
+int* p7 = &v3;
+
+bool
+C2::testcase3()
+{
+  return *p7 == 789;
+}
+
+// 8  Data in file 1 refers to offset within global data in file 2.
+
+char* p8 = &v4[6];
+
+bool
+C2::testcase4()
+{
+  return *p8 == ' ';
+}
+
+// 9  Data in file 1 refers to offset within common symbol in file 2.
+
+char* p9 = &v5[8];
+
+bool
+C3::testcase1()
+{
+  return *p9 == 'o';
+}
+
+// 10 Data in file 1 refers to function in file 2.
+
+int (*pfn)() = &f10;
+
+bool
+C3::testcase2()
+{
+  return (*pfn)() == 135;
+}
+
+// 11 Pass function pointer from file 1 to file 2.
+
+int
+f11a()
+{
+  return 246;
+}
+
+bool
+C3::testcase3()
+{
+  return f11b(&f11a) == 246;
+}
+
+// 12 Compare address of function for equality in both files.
+
+bool
+t12()
+{
+  return &t12 == c3.f4();
+}
+
+// 13 Compare address of inline function for equality in both files.
+
+bool
+t13()
+{
+  return &f13i == f13();
+}
+
+// 14 Compare string constants in file 1 and file 2.
+
+bool
+t14()
+{
+  const char* s1 = TEST_STRING_CONSTANT;
+  const char* s2 = f14();
+  while (*s1 != '\0')
+    if (*s1++ != *s2++)
+      return false;
+  return *s2 == '\0';
+}
+
+// 15 Compare wide string constants in file 1 and file 2.
+
+bool
+t15()
+{
+  const wchar_t* s1 = TEST_WIDE_STRING_CONSTANT;
+  const wchar_t* s2 = f15();
+  while (*s1 != '\0')
+    if (*s1++ != *s2++)
+      return false;
+  return *s2 == '\0';
+}
+
+// 16 Call a function directly after its address has been taken.
+
+bool
+t16()
+{
+  return f10() == 135;
+}
+
+// 17 File 1 checks array of string constants defined in file 2.
+
+bool
+t17()
+{
+  char c = 'a';
+  for (int i = 0; i < T17_COUNT; ++i)
+    {
+      if (t17data[i][0] != c || t17data[i][1] != '\0')
+	return false;
+      ++c;
+    }
+  return true;
+}
+
+// 18 File 1 checks string constants referenced in code in file 2.
+
+bool
+t18()
+{
+  char c = 'a';
+  for (int i = 0; i < T17_COUNT; ++i)
+    {
+      const char* s = f18(i);
+      if (s[0] != c || s[1] != '\0')
+        return false;
+      ++c;
+    }
+  return true;
+}