constant-conversion.c revision 5dac4c222d9ff25488ac6f0b9642fa0d939ba2f8 
1// RUN: %clang_cc1 -fsyntax-only -verify -triple x86_64-apple-darwin %s
2
3// This file tests -Wconstant-conversion, a subcategory of -Wconversion
4// which is on by default.
5
6// rdar://problem/6792488
7void test_6792488(void) {
8  int x = 0x3ff0000000000000U; // expected-warning {{implicit conversion from 'unsigned long' to 'int' changes value from 4607182418800017408 to 0}}
9}
10
11void test_7809123(void) {
12  struct { int i5 : 5; } a;
13
14  a.i5 = 36; // expected-warning {{implicit truncation from 'int' to bitfield changes value from 36 to 4}}
15}
16