* c-typeck.c (common_type): Correct comment.

[pf3gnuchains/gcc-fork.git] / gcc / c-typeck.c

diff --git a/gcc/c-typeck.c b/gcc/c-typeck.c
index ddc2d08..1193f05 100644 (file)
--- a/gcc/c-typeck.c
+++ b/gcc/c-typeck.c
@@ -199,10 +199,13 @@ qualify_type (tree type, tree like)
                                 TYPE_QUALS (type) | TYPE_QUALS (like));
 }
 \f
-/* Return the common type of two types.
-   We assume that comptypes has already been done and returned 1;
-   if that isn't so, this may crash.  In particular, we assume that qualifiers
-   match.
+/* Return the composite type of two compatible types, or the common
+   type for two arithmetic types under the usual arithmetic
+   conversions.
+
+   Unless both types are arithmetic types, we assume that comptypes
+   has already been done and returned 1; if that isn't so, this may
+   crash.  In particular, we assume that qualifiers match.
 
    This is the type for the result of most arithmetic operations
    if the operands have the given two types.  */