cmath.tcc (__cmath_power): Suppress assignment used as truth value warning.

2004-08-20  Paolo Carlini  <pcarlini@suse.de>

	* include/c_std/cmath.tcc (__cmath_power): Suppress assignment
	used as truth value warning.

From-SVN: r86310

libstdc++-v3/ChangeLog

 2004-08-20  Paolo Carlini  <pcarlini@suse.de>
 
+	* include/c_std/cmath.tcc (__cmath_power): Suppress assignment
+	used as truth value warning.
+
+2004-08-20  Paolo Carlini  <pcarlini@suse.de>
+
 	* config/abi/x86_64-linux-gnu/32/baseline_symbols.txt: Add 32 bit
 	baseline.
 

libstdc++-v3/include/c_std/cmath.tcc

@@ -40,7 +40,7 @@ namespace std
     {
       _Tp __y = __n % 2 ? __x : 1;
 
-      while (__n >>= 1)
+      while ((__n >>= 1))
         {
           __x = __x * __x;
           if (__n % 2)