Add missing function in 20_util/exchange/1.cc.

When this test is compiled at -O0, the compiler does not remove the address comparison. This causes a link failure, since the body of f() is missing. * testsuite/20_util/exchange/1.cc: Add missing function bodies. From-SVN: r203629
R-macos · Oct 15, 2013 · 37ea0d8 · 37ea0d8
1 parent 1602204
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diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
@@ -1,3 +1,8 @@
+2013-10-15  Diego Novillo  <[email protected]>
+
+	* testsuite/20_util/exchange/1.cc: Add missing function
+	bodies.
+
 2013-10-15  Tim Shen  <[email protected]>
 
 	PR libstdc++/58737

diff --git a/libstdc++-v3/testsuite/20_util/exchange/1.cc b/libstdc++-v3/testsuite/20_util/exchange/1.cc
@@ -55,15 +55,17 @@ test02()
   VERIFY( old.value == 1 );
 }
 
+int f(int) { return 0; }
+
+double f(double) { return 0; }
+
 // Deduce type of overloaded function
 void
 test03()
 {
   bool test __attribute__((unused)) = true;
 
   int (*fp)(int);
-  int f(int);
-  double f(double);
   std::exchange(fp, &f);
   VERIFY( fp != nullptr );
 }