c-common.c (c_common_truthvalue_conversion): Fix the comment.

2016-10-20  Bernd Edlinger  <bernd.edlinger@hotmail.de>

        * c-common.c (c_common_truthvalue_conversion): Fix the comment.

From-SVN: r241377

gcc/c-family/ChangeLog

+2016-10-20  Bernd Edlinger  <bernd.edlinger@hotmail.de>
+
+	* c-common.c (c_common_truthvalue_conversion): Fix the comment.
+
 2016-10-20  Jason Merrill  <jason@redhat.com>
 
 	* c-cppbuiltin.c (c_cpp_builtins): Update __cpp_concepts value.

gcc/c-family/c-common.c

@@ -3328,7 +3328,7 @@ c_common_truthvalue_conversion (location_t location, tree expr)
 					       TREE_OPERAND (expr, 0));
 
     case LSHIFT_EXPR:
-      /* We will only warn on unsigned shifts here, because the majority of
+      /* We will only warn on signed shifts here, because the majority of
 	 false positive warnings happen in code where unsigned arithmetic
 	 was used in anticipation of a possible overflow.
 	 Furthermore, if we see an unsigned type here we know that the