xref: /minix3/external/bsd/llvm/dist/clang/test/Sema/Inputs/unused-expr-system-header.h (revision f4a2713ac843a11c696ec80c0a5e3e5d80b4d338) 
1*f4a2713aSLionel Sambuc // "System header" for testing that -Wunused-value is properly suppressed in
2*f4a2713aSLionel Sambuc // certain cases.
3*f4a2713aSLionel Sambuc 
4*f4a2713aSLionel Sambuc #define POSSIBLY_BAD_MACRO(x) \
5*f4a2713aSLionel Sambuc   { int i = x; \
6*f4a2713aSLionel Sambuc     i; }
7*f4a2713aSLionel Sambuc 
8*f4a2713aSLionel Sambuc #define STATEMENT_EXPR_MACRO(x) \
9*f4a2713aSLionel Sambuc   (__extension__ \
10*f4a2713aSLionel Sambuc    ({int i = x; \
11*f4a2713aSLionel Sambuc      i;}))
12*f4a2713aSLionel Sambuc 
13*f4a2713aSLionel Sambuc #define COMMA_MACRO_1(x, y) \
14*f4a2713aSLionel Sambuc   {x, y;}
15*f4a2713aSLionel Sambuc 
16*f4a2713aSLionel Sambuc #define COMMA_MACRO_2(x, y) \
17*f4a2713aSLionel Sambuc   if (x) { 1 == 2, y; }
18*f4a2713aSLionel Sambuc 
19*f4a2713aSLionel Sambuc #define COMMA_MACRO_3(x, y) \
20*f4a2713aSLionel Sambuc   (x, y)
21*f4a2713aSLionel Sambuc 
22*f4a2713aSLionel Sambuc #define COMMA_MACRO_4(x, y) \
23*f4a2713aSLionel Sambuc   ( 1 == 2, y )
24