This way it's easier to test: if the call to external exit(0) succeeded,

program exits with code 0, no error. If the call does not work/succeed, main
returns 1, so we notice it. The other way around doesn't work. :)

llvm-svn: 4984

llvm/test/Regression/Jello/test-call.ll

@@ -1,7 +1,7 @@
 
 declare void %exit(int)
 
-void %main() {
-	call void %exit(int 1)
-	ret void
+int %main() {
+	call void %exit(int 0)
+	ret int 1
 }