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-rw-r--r--ChangeLog9
-rw-r--r--math/bits/mathcalls.h4
2 files changed, 13 insertions, 0 deletions
diff --git a/ChangeLog b/ChangeLog
index 600c3dd501..08a05bfb7d 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,12 @@
+2016-01-11  Jonathan Wakely  <jwakely.gcc@gmail.com>
+	    Adhemerval Zanella  <adhemerval.zanella@linaro.org>
+
+	[BZ #19439]
+	* math/bits/mathcalls.h
+	[!__cplusplus || __cplusplus < 201103L] (isinf): Do not declare
+	prototype.
+	[!__cplusplus || __cplusplus < 201103L] (isnan): Likewise.
+
 2016-01-11  Andreas Schwab  <schwab@suse.de>
 
 	[BZ #19253]
diff --git a/math/bits/mathcalls.h b/math/bits/mathcalls.h
index b82c37352f..a48345d916 100644
--- a/math/bits/mathcalls.h
+++ b/math/bits/mathcalls.h
@@ -196,9 +196,11 @@ __MATHDECL_1 (int,__finite,, (_Mdouble_ __value)) __attribute__ ((__const__));
 _Mdouble_END_NAMESPACE
 
 #ifdef __USE_MISC
+# if !defined __cplusplus || __cplusplus < 201103L /* Conflicts with C++11.  */
 /* Return 0 if VALUE is finite or NaN, +1 if it
    is +Infinity, -1 if it is -Infinity.  */
 __MATHDECL_1 (int,isinf,, (_Mdouble_ __value)) __attribute__ ((__const__));
+# endif
 
 /* Return nonzero if VALUE is finite and not NaN.  */
 __MATHDECL_1 (int,finite,, (_Mdouble_ __value)) __attribute__ ((__const__));
@@ -230,8 +232,10 @@ __END_NAMESPACE_C99
 __MATHDECL_1 (int,__isnan,, (_Mdouble_ __value)) __attribute__ ((__const__));
 
 #if defined __USE_MISC || (defined __USE_XOPEN && !defined __USE_XOPEN2K)
+# if !defined __cplusplus || __cplusplus < 201103L /* Conflicts with C++11.  */
 /* Return nonzero if VALUE is not a number.  */
 __MATHDECL_1 (int,isnan,, (_Mdouble_ __value)) __attribute__ ((__const__));
+# endif
 #endif
 
 #if defined __USE_MISC || (defined __USE_XOPEN && __MATH_DECLARING_DOUBLE)