commit 84fc5b9d432788414e75df1f62bf8645db57f395
Author: Jonathan Wakely <jwakely@redhat.com>
Date:   Thu Jan 24 12:53:45 2019 +0000

    Fix failing test due to inconsistent strcmp results
    
            * testsuite/27_io/filesystem/path/compare/strings.cc: Only compare
            sign of results.

diff --git a/libstdc++-v3/testsuite/27_io/filesystem/path/compare/strings.cc b/libstdc++-v3/testsuite/27_io/filesystem/path/compare/strings.cc
index 3f0aa4bde06..83487ae35b6 100644
--- a/libstdc++-v3/testsuite/27_io/filesystem/path/compare/strings.cc
+++ b/libstdc++-v3/testsuite/27_io/filesystem/path/compare/strings.cc
@@ -26,6 +26,8 @@
 
 using std::filesystem::path;
 
+int sign(int i) { return i > 0 ? 1 : i < 0 ? -1 : 0; }
+
 void
 test01()
 {
@@ -36,8 +38,8 @@ test01()
     path p(s);
     VERIFY( p.compare(s) == 0 );
     VERIFY( p.compare(s.c_str()) == 0 );
-    VERIFY( p.compare(p0) == p.compare(s0) );
-    VERIFY( p.compare(p0) == p.compare(s0.c_str()) );
+    VERIFY( sign(p.compare(p0)) == sign(p.compare(s0)) );
+    VERIFY( sign(p.compare(p0)) == sign(p.compare(s0.c_str())) );
   }
 }