PR libstdc++/88740 Print assertion messages to stderr

	PR libstdc++/88740
	* testsuite/util/testsuite_hooks.h [stderr] (VERIFY): Use fprintf to
	write to stderr instead of using printf.

From-SVN: r268154

diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index 483f195..4fd9fee 100644 (file)
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -1,3 +1,9 @@
+2019-01-22  Jonathan Wakely  <jwakely@redhat.com>
+
+       PR libstdc++/88740
+       * testsuite/util/testsuite_hooks.h [stderr] (VERIFY): Use fprintf to
+       write to stderr instead of using printf.
+
 2019-01-21  Jakub Jelinek  <jakub@redhat.com>
 
        PR libstdc++/86590

diff --git a/libstdc++-v3/testsuite/util/testsuite_hooks.h b/libstdc++-v3/testsuite/util/testsuite_hooks.h
index 3999a5d..51c431b 100644 (file)
--- a/libstdc++-v3/testsuite/util/testsuite_hooks.h
+++ b/libstdc++-v3/testsuite/util/testsuite_hooks.h
@@ -46,18 +46,25 @@
 #include <bits/c++config.h>
 #include <bits/functexcept.h>
 #include <ctime>
+#include <stdio.h>
 
 #ifdef _GLIBCXX_HAVE_SYS_STAT_H
 #include <sys/stat.h>
 #endif
 
+#ifdef stderr
+# define _VERIFY_PRINT(S, F, L, P, C) __builtin_fprintf(stderr, S, F, L, P, C)
+#else
+# define _VERIFY_PRINT(S, F, L, P, C) __builtin_printf(S, F, L, P, C)
+#endif
+
 #define VERIFY(fn)                                                      \
   do                                                                    \
   {                                                                     \
     if (! (fn))                                                                \
       {                                                                        \
-       __builtin_printf("%s:%d: %s: Assertion '%s' failed.\n",         \
-                        __FILE__, __LINE__, __PRETTY_FUNCTION__, #fn); \
+       _VERIFY_PRINT("%s:%d: %s: Assertion '%s' failed.\n",            \
+                     __FILE__, __LINE__, __PRETTY_FUNCTION__, #fn);    \
        __builtin_abort();                                              \
       }                                                                        \
   } while (false)