[PATCH] Fix error in powf for (-1.0, NaN) input

[Fabian Schriever]

Prevent confusion between -1.0 and 1.0 in powf. The corresponding
similar error was previously fixed for pow (see commit bb25dd1b)
---
 newlib/libm/math/ef_pow.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/newlib/libm/math/ef_pow.c b/newlib/libm/math/ef_pow.c
index 524e3f9b0..d9e85a95e 100644
--- a/newlib/libm/math/ef_pow.c
+++ b/newlib/libm/math/ef_pow.c
@@ -79,7 +79,7 @@ ivln2_l  =  7.0526075433e-06; /* 0x36eca570 =1/ln2 tail*/
     /* x|y==NaN return NaN unless x==1 then return 1 */
 	if(FLT_UWORD_IS_NAN(ix) ||
 	   FLT_UWORD_IS_NAN(iy)) {
-	    if(ix==0x3f800000) return one;
+	    if(hx==0x3f800000) return one;
 	    else return nanf("");
 	}
 
-- 
2.24.1.windows.2