scc

commit 3d2ccb36333113f1c1e71191926f2b5f5e3a64f6
parent 289a91810b16fd9211964235252b071bf900627b
Author: Roberto E. Vargas Caballero <k0ga@shike2.com>
Date:   Thu,  7 May 2015 08:09:35 +0200

Fix problem in condition()

If() calls to condition(), which can fail, so the Node pointer returned
was not always a condition, so the call to negate could abort() because it.
This patch enforces that return value of condition is always a comparition.

Diffstat:
M
cc1/stmt.c
 | 
3
++-

1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/cc1/stmt.c b/cc1/stmt.c
@@ -56,9 +56,10 @@ condition(void)
 	expect('(');
 	setsafe(END_COND);
 	if (!setjmp(recover))
-		np = iszero(expr());
+		np = expr();
 	else
 		np = symbol(zero);
+	np = iszero(np);
 	expect(')');
 	return np;
 }