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-rw-r--r--gcc/ginclude/float.h4
1 files changed, 3 insertions, 1 deletions
diff --git a/gcc/ginclude/float.h b/gcc/ginclude/float.h
index 9d368c4..afe4a71 100644
--- a/gcc/ginclude/float.h
+++ b/gcc/ginclude/float.h
@@ -257,9 +257,11 @@ see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
#define DBL_IS_IEC_60559 __DBL_IS_IEC_60559__
#define LDBL_IS_IEC_60559 __LDBL_IS_IEC_60559__
-/* Infinity in type float, or overflow if infinity not supported. */
+/* Infinity in type float; not defined if infinity not supported. */
+#if __FLT_HAS_INFINITY__
#undef INFINITY
#define INFINITY (__builtin_inff ())
+#endif
/* Quiet NaN, if supported for float. */
#if __FLT_HAS_QUIET_NAN__