From mboxrd@z Thu Jan  1 00:00:00 1970
From: Trevor Yann <TYann@vet.com.au>
To: help-gcc@gnu.org
Subject: How to warn about possibly truncated values?
Date: Tue, 30 Nov 1999 23:28:00 -0000
Message-ID: <38335D56.547F0511@vet.com.au>
X-SW-Source: 1999-11n/msg00267.html
Message-ID: <19991130232800.VqUFmvjWCzWhCp4JX9x6W524A4ROS08Zz_JqznwrV7k@z>

In the following code it is possible that the assignment of x will
result in the value being truncated.

Is there a way to get gcc to warn about this code?

extern unsigned long g(void);

unsigned short f(void)
{
	unsigned short x = g();
	return x;
}