@@ -1592,6 +1592,18 @@ Jumping or breaking out of the scope of the array name deallocates the
storage. Jumping into the scope is not allowed; you get an error
message for it.
+@cindex variable-length array in a structure
+As an extension, GCC accepts variable-length arrays as a member of
+a structure or a union. For example:
+
+@smallexample
+void
+foo (int n)
+@{
+ struct S @{ int x[n]; @};
+@}
+@end smallexample
+
@cindex @code{alloca} vs variable-length arrays
You can use the function @code{alloca} to get an effect much like
variable-length arrays. The function @code{alloca} is available in