diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index a47e1f5f534..d4e9ba83a56 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,11 @@
+2014-05-27  Dominique d'Humieres <dominiq@lps.ens.fr>
+
+	PR testsuite/61319
+	* c-c++-common/ubsan/float-cast-overflow-1.c: Make the sign of
+	-nan optional.
+	* c-c++-common/ubsan/float-cast-overflow-2.c: Likewise.
+	* c-c++-common/ubsan/float-cast-overflow-4.c: Likewise.
+
 2014-05-26  Uros Bizjak  <ubizjak@gmail.com>
 
 	* gcc.dg/tree-ssa/ssa-fre-40.c: Cleanup fre1 tree dump.
diff --git a/gcc/testsuite/c-c++-common/ubsan/float-cast-overflow-1.c b/gcc/testsuite/c-c++-common/ubsan/float-cast-overflow-1.c
index 249731dab44..f94588e4752 100644
--- a/gcc/testsuite/c-c++-common/ubsan/float-cast-overflow-1.c
+++ b/gcc/testsuite/c-c++-common/ubsan/float-cast-overflow-1.c
@@ -97,7 +97,7 @@ main (void)
 /* { dg-output "\[^\n\r]*value 128.5 is outside the range of representable values of type 'signed char'\[^\n\r]*(\n|\r\n|\r)" } */
 /* { dg-output "\[^\n\r]*value 132 is outside the range of representable values of type 'signed char'\[^\n\r]*(\n|\r\n|\r)" } */
 /* { dg-output "\[^\n\r]*value nan is outside the range of representable values of type 'signed char'\[^\n\r]*(\n|\r\n|\r)" } */
-/* { dg-output "\[^\n\r]*value -nan is outside the range of representable values of type 'signed char'\[^\n\r]*(\n|\r\n|\r)" } */
+/* { dg-output "\[^\n\r]*value -?nan is outside the range of representable values of type 'signed char'\[^\n\r]*(\n|\r\n|\r)" } */
 /* { dg-output "\[^\n\r]*value inf is outside the range of representable values of type 'signed char'\[^\n\r]*(\n|\r\n|\r)" } */
 /* { dg-output "\[^\n\r]*value -inf is outside the range of representable values of type 'signed char'\[^\n\r]*(\n|\r\n|\r)" } */
 /* { dg-output "\[^\n\r]*value 256 is outside the range of representable values of type 'unsigned char'\[^\n\r]*(\n|\r\n|\r)" } */
@@ -107,7 +107,7 @@ main (void)
 /* { dg-output "\[^\n\r]*value -1.5 is outside the range of representable values of type 'unsigned char'\[^\n\r]*(\n|\r\n|\r)" } */
 /* { dg-output "\[^\n\r]*value -1 is outside the range of representable values of type 'unsigned char'\[^\n\r]*(\n|\r\n|\r)" } */
 /* { dg-output "\[^\n\r]*value nan is outside the range of representable values of type 'unsigned char'\[^\n\r]*(\n|\r\n|\r)" } */
-/* { dg-output "\[^\n\r]*value -nan is outside the range of representable values of type 'unsigned char'\[^\n\r]*(\n|\r\n|\r)" } */
+/* { dg-output "\[^\n\r]*value -?nan is outside the range of representable values of type 'unsigned char'\[^\n\r]*(\n|\r\n|\r)" } */
 /* { dg-output "\[^\n\r]*value inf is outside the range of representable values of type 'unsigned char'\[^\n\r]*(\n|\r\n|\r)" } */
 /* { dg-output "\[^\n\r]*value -inf is outside the range of representable values of type 'unsigned char'\[^\n\r]*(\n|\r\n|\r)" } */
 /* { dg-output "\[^\n\r]*value -32773 is outside the range of representable values of type 'short int'\[^\n\r]*(\n|\r\n|\r)" } */
@@ -117,7 +117,7 @@ main (void)
 /* { dg-output "\[^\n\r]*value 32768.5 is outside the range of representable values of type 'short int'\[^\n\r]*(\n|\r\n|\r)" } */
 /* { dg-output "\[^\n\r]*value 32772 is outside the range of representable values of type 'short int'\[^\n\r]*(\n|\r\n|\r)" } */
 /* { dg-output "\[^\n\r]*value nan is outside the range of representable values of type 'short int'\[^\n\r]*(\n|\r\n|\r)" } */
-/* { dg-output "\[^\n\r]*value -nan is outside the range of representable values of type 'short int'\[^\n\r]*(\n|\r\n|\r)" } */
+/* { dg-output "\[^\n\r]*value -?nan is outside the range of representable values of type 'short int'\[^\n\r]*(\n|\r\n|\r)" } */
 /* { dg-output "\[^\n\r]*value inf is outside the range of representable values of type 'short int'\[^\n\r]*(\n|\r\n|\r)" } */
 /* { dg-output "\[^\n\r]*value -inf is outside the range of representable values of type 'short int'\[^\n\r]*(\n|\r\n|\r)" } */
 /* { dg-output "\[^\n\r]*value 65536 is outside the range of representable values of type 'short unsigned int'\[^\n\r]*(\n|\r\n|\r)" } */
@@ -127,7 +127,7 @@ main (void)
 /* { dg-output "\[^\n\r]*value -1.5 is outside the range of representable values of type 'short unsigned int'\[^\n\r]*(\n|\r\n|\r)" } */
 /* { dg-output "\[^\n\r]*value -1 is outside the range of representable values of type 'short unsigned int'\[^\n\r]*(\n|\r\n|\r)" } */
 /* { dg-output "\[^\n\r]*value nan is outside the range of representable values of type 'short unsigned int'\[^\n\r]*(\n|\r\n|\r)" } */
-/* { dg-output "\[^\n\r]*value -nan is outside the range of representable values of type 'short unsigned int'\[^\n\r]*(\n|\r\n|\r)" } */
+/* { dg-output "\[^\n\r]*value -?nan is outside the range of representable values of type 'short unsigned int'\[^\n\r]*(\n|\r\n|\r)" } */
 /* { dg-output "\[^\n\r]*value inf is outside the range of representable values of type 'short unsigned int'\[^\n\r]*(\n|\r\n|\r)" } */
 /* { dg-output "\[^\n\r]*value -inf is outside the range of representable values of type 'short unsigned int'\[^\n\r]*(\n|\r\n|\r)" } */
 /* { dg-output "\[^\n\r]*value -2.14748e\\\+09 is outside the range of representable values of type 'int'\[^\n\r]*(\n|\r\n|\r)" } */
@@ -137,7 +137,7 @@ main (void)
 /* { dg-output "\[^\n\r]*value 2.14748e\\\+09 is outside the range of representable values of type 'int'\[^\n\r]*(\n|\r\n|\r)" } */
 /* { dg-output "\[^\n\r]*value 2.14748e\\\+09 is outside the range of representable values of type 'int'\[^\n\r]*(\n|\r\n|\r)" } */
 /* { dg-output "\[^\n\r]*value nan is outside the range of representable values of type 'int'\[^\n\r]*(\n|\r\n|\r)" } */
-/* { dg-output "\[^\n\r]*value -nan is outside the range of representable values of type 'int'\[^\n\r]*(\n|\r\n|\r)" } */
+/* { dg-output "\[^\n\r]*value -?nan is outside the range of representable values of type 'int'\[^\n\r]*(\n|\r\n|\r)" } */
 /* { dg-output "\[^\n\r]*value inf is outside the range of representable values of type 'int'\[^\n\r]*(\n|\r\n|\r)" } */
 /* { dg-output "\[^\n\r]*value -inf is outside the range of representable values of type 'int'\[^\n\r]*(\n|\r\n|\r)" } */
 /* { dg-output "\[^\n\r]*value 4.29497e\\\+09 is outside the range of representable values of type 'unsigned int'\[^\n\r]*(\n|\r\n|\r)" } */
@@ -147,18 +147,18 @@ main (void)
 /* { dg-output "\[^\n\r]*value -1.5 is outside the range of representable values of type 'unsigned int'\[^\n\r]*(\n|\r\n|\r)" } */
 /* { dg-output "\[^\n\r]*value -1 is outside the range of representable values of type 'unsigned int'\[^\n\r]*(\n|\r\n|\r)" } */
 /* { dg-output "\[^\n\r]*value nan is outside the range of representable values of type 'unsigned int'\[^\n\r]*(\n|\r\n|\r)" } */
-/* { dg-output "\[^\n\r]*value -nan is outside the range of representable values of type 'unsigned int'\[^\n\r]*(\n|\r\n|\r)" } */
+/* { dg-output "\[^\n\r]*value -?nan is outside the range of representable values of type 'unsigned int'\[^\n\r]*(\n|\r\n|\r)" } */
 /* { dg-output "\[^\n\r]*value inf is outside the range of representable values of type 'unsigned int'\[^\n\r]*(\n|\r\n|\r)" } */
 /* { dg-output "\[^\n\r]*value -inf is outside the range of representable values of type 'unsigned int'\[^\n\r]*(\n|\r\n|\r)" } */
 /* { dg-output "\[^\n\r]*value nan is outside the range of representable values of type 'long int'\[^\n\r]*(\n|\r\n|\r)" } */
-/* { dg-output "\[^\n\r]*value -nan is outside the range of representable values of type 'long int'\[^\n\r]*(\n|\r\n|\r)" } */
+/* { dg-output "\[^\n\r]*value -?nan is outside the range of representable values of type 'long int'\[^\n\r]*(\n|\r\n|\r)" } */
 /* { dg-output "\[^\n\r]*value inf is outside the range of representable values of type 'long int'\[^\n\r]*(\n|\r\n|\r)" } */
 /* { dg-output "\[^\n\r]*value -inf is outside the range of representable values of type 'long int'\[^\n\r]*(\n|\r\n|\r)" } */
 /* { dg-output "\[^\n\r]*value -5 is outside the range of representable values of type 'long unsigned int'\[^\n\r]*(\n|\r\n|\r)" } */
 /* { dg-output "\[^\n\r]*value -1.5 is outside the range of representable values of type 'long unsigned int'\[^\n\r]*(\n|\r\n|\r)" } */
 /* { dg-output "\[^\n\r]*value -1 is outside the range of representable values of type 'long unsigned int'\[^\n\r]*(\n|\r\n|\r)" } */
 /* { dg-output "\[^\n\r]*value nan is outside the range of representable values of type 'long unsigned int'\[^\n\r]*(\n|\r\n|\r)" } */
-/* { dg-output "\[^\n\r]*value -nan is outside the range of representable values of type 'long unsigned int'\[^\n\r]*(\n|\r\n|\r)" } */
+/* { dg-output "\[^\n\r]*value -?nan is outside the range of representable values of type 'long unsigned int'\[^\n\r]*(\n|\r\n|\r)" } */
 /* { dg-output "\[^\n\r]*value inf is outside the range of representable values of type 'long unsigned int'\[^\n\r]*(\n|\r\n|\r)" } */
 /* { dg-output "\[^\n\r]*value -inf is outside the range of representable values of type 'long unsigned int'\[^\n\r]*(\n|\r\n|\r)" } */
 /* { dg-output "\[^\n\r]*value 9.22337e\\\+18 is outside the range of representable values of type 'long long int'\[^\n\r]*(\n|\r\n|\r)" } */
@@ -177,7 +177,7 @@ main (void)
 /* { dg-output "\[^\n\r]*value 9.22337e\\\+18 is outside the range of representable values of type 'long long int'\[^\n\r]*(\n|\r\n|\r)" } */
 /* { dg-output "\[^\n\r]*value 9.22337e\\\+18 is outside the range of representable values of type 'long long int'\[^\n\r]*(\n|\r\n|\r)" } */
 /* { dg-output "\[^\n\r]*value nan is outside the range of representable values of type 'long long int'\[^\n\r]*(\n|\r\n|\r)" } */
-/* { dg-output "\[^\n\r]*value -nan is outside the range of representable values of type 'long long int'\[^\n\r]*(\n|\r\n|\r)" } */
+/* { dg-output "\[^\n\r]*value -?nan is outside the range of representable values of type 'long long int'\[^\n\r]*(\n|\r\n|\r)" } */
 /* { dg-output "\[^\n\r]*value inf is outside the range of representable values of type 'long long int'\[^\n\r]*(\n|\r\n|\r)" } */
 /* { dg-output "\[^\n\r]*value -inf is outside the range of representable values of type 'long long int'\[^\n\r]*(\n|\r\n|\r)" } */
 /* { dg-output "\[^\n\r]*value 1.84467e\\\+19 is outside the range of representable values of type 'long long unsigned int'\[^\n\r]*(\n|\r\n|\r)" } */
@@ -199,6 +199,6 @@ main (void)
 /* { dg-output "\[^\n\r]*value -1.5 is outside the range of representable values of type 'long long unsigned int'\[^\n\r]*(\n|\r\n|\r)" } */
 /* { dg-output "\[^\n\r]*value -1 is outside the range of representable values of type 'long long unsigned int'\[^\n\r]*(\n|\r\n|\r)" } */
 /* { dg-output "\[^\n\r]*value nan is outside the range of representable values of type 'long long unsigned int'\[^\n\r]*(\n|\r\n|\r)" } */
-/* { dg-output "\[^\n\r]*value -nan is outside the range of representable values of type 'long long unsigned int'\[^\n\r]*(\n|\r\n|\r)" } */
+/* { dg-output "\[^\n\r]*value -?nan is outside the range of representable values of type 'long long unsigned int'\[^\n\r]*(\n|\r\n|\r)" } */
 /* { dg-output "\[^\n\r]*value inf is outside the range of representable values of type 'long long unsigned int'\[^\n\r]*(\n|\r\n|\r)" } */
 /* { dg-output "\[^\n\r]*value -inf is outside the range of representable values of type 'long long unsigned int'\[^\n\r]*(\n|\r\n|\r)" } */
diff --git a/gcc/testsuite/c-c++-common/ubsan/float-cast-overflow-2.c b/gcc/testsuite/c-c++-common/ubsan/float-cast-overflow-2.c
index 15eacc9c1a9..6cbd3d4032f 100644
--- a/gcc/testsuite/c-c++-common/ubsan/float-cast-overflow-2.c
+++ b/gcc/testsuite/c-c++-common/ubsan/float-cast-overflow-2.c
@@ -46,7 +46,7 @@ main (void)
 /* { dg-output "\[^\n\r]*runtime error: value 1.70141e\\\+38 is outside the range of representable values of type '__int128'\[^\n\r]*(\n|\r\n|\r)" } */
 /* { dg-output "\[^\n\r]*runtime error: value 1.70141e\\\+38 is outside the range of representable values of type '__int128'\[^\n\r]*(\n|\r\n|\r)" } */
 /* { dg-output "\[^\n\r]*runtime error: value nan is outside the range of representable values of type '__int128'\[^\n\r]*(\n|\r\n|\r)" } */
-/* { dg-output "\[^\n\r]*runtime error: value -nan is outside the range of representable values of type '__int128'\[^\n\r]*(\n|\r\n|\r)" } */
+/* { dg-output "\[^\n\r]*runtime error: value -?nan is outside the range of representable values of type '__int128'\[^\n\r]*(\n|\r\n|\r)" } */
 /* { dg-output "\[^\n\r]*runtime error: value inf is outside the range of representable values of type '__int128'\[^\n\r]*(\n|\r\n|\r)" } */
 /* { dg-output "\[^\n\r]*runtime error: value -inf is outside the range of representable values of type '__int128'\[^\n\r]*(\n|\r\n|\r)" } */
 /* { dg-output "\[^\n\r]*runtime error: value 3.40282e\\\+38 is outside the range of representable values of type '__int128 unsigned'\[^\n\r]*(\n|\r\n|\r)" } */
@@ -68,6 +68,6 @@ main (void)
 /* { dg-output "\[^\n\r]*runtime error: value -1.5 is outside the range of representable values of type '__int128 unsigned'\[^\n\r]*(\n|\r\n|\r)" } */
 /* { dg-output "\[^\n\r]*runtime error: value -1 is outside the range of representable values of type '__int128 unsigned'\[^\n\r]*(\n|\r\n|\r)" } */
 /* { dg-output "\[^\n\r]*runtime error: value nan is outside the range of representable values of type '__int128 unsigned'\[^\n\r]*(\n|\r\n|\r)" } */
-/* { dg-output "\[^\n\r]*runtime error: value -nan is outside the range of representable values of type '__int128 unsigned'\[^\n\r]*(\n|\r\n|\r)" } */
+/* { dg-output "\[^\n\r]*runtime error: value -?nan is outside the range of representable values of type '__int128 unsigned'\[^\n\r]*(\n|\r\n|\r)" } */
 /* { dg-output "\[^\n\r]*runtime error: value inf is outside the range of representable values of type '__int128 unsigned'\[^\n\r]*(\n|\r\n|\r)" } */
 /* { dg-output "\[^\n\r]*runtime error: value -inf is outside the range of representable values of type '__int128 unsigned'\[^\n\r]*(\n|\r\n|\r)" } */
diff --git a/gcc/testsuite/c-c++-common/ubsan/float-cast-overflow-4.c b/gcc/testsuite/c-c++-common/ubsan/float-cast-overflow-4.c
index 7704aa950ae..5a1a65bfbe9 100644
--- a/gcc/testsuite/c-c++-common/ubsan/float-cast-overflow-4.c
+++ b/gcc/testsuite/c-c++-common/ubsan/float-cast-overflow-4.c
@@ -37,7 +37,7 @@ main (void)
 /* { dg-output "\[^\n\r]*value 2.14748e\\\+09 is outside the range of representable values of type\[^\n\r]*(\n|\r\n|\r)" } */
 /* { dg-output "\[^\n\r]*value 2.14748e\\\+09 is outside the range of representable values of type\[^\n\r]*(\n|\r\n|\r)" } */
 /* { dg-output "\[^\n\r]*value nan is outside the range of representable values of type\[^\n\r]*(\n|\r\n|\r)" } */
-/* { dg-output "\[^\n\r]*value -nan is outside the range of representable values of type\[^\n\r]*(\n|\r\n|\r)" } */
+/* { dg-output "\[^\n\r]*value -?nan is outside the range of representable values of type\[^\n\r]*(\n|\r\n|\r)" } */
 /* { dg-output "\[^\n\r]*value inf is outside the range of representable values of type\[^\n\r]*(\n|\r\n|\r)" } */
 /* { dg-output "\[^\n\r]*value -inf is outside the range of representable values of type\[^\n\r]*(\n|\r\n|\r)" } */
 /* { dg-output "\[^\n\r]*value 4.29497e\\\+09 is outside the range of representable values of type\[^\n\r]*(\n|\r\n|\r)" } */
@@ -47,6 +47,6 @@ main (void)
 /* { dg-output "\[^\n\r]*value -1.5 is outside the range of representable values of type\[^\n\r]*(\n|\r\n|\r)" } */
 /* { dg-output "\[^\n\r]*value -1 is outside the range of representable values of type\[^\n\r]*(\n|\r\n|\r)" } */
 /* { dg-output "\[^\n\r]*value nan is outside the range of representable values of type\[^\n\r]*(\n|\r\n|\r)" } */
-/* { dg-output "\[^\n\r]*value -nan is outside the range of representable values of type\[^\n\r]*(\n|\r\n|\r)" } */
+/* { dg-output "\[^\n\r]*value -?nan is outside the range of representable values of type\[^\n\r]*(\n|\r\n|\r)" } */
 /* { dg-output "\[^\n\r]*value inf is outside the range of representable values of type\[^\n\r]*(\n|\r\n|\r)" } */
 /* { dg-output "\[^\n\r]*value -inf is outside the range of representable values of type\[^\n\r]*(\n|\r\n|\r)" } */