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// RUN: %clang_cc1 -E %s | FileCheck -strict-whitespace %s
#define M(x, y) #x #y
M( f(1, 2), g((x=y++, y)))
// CHECK: "f(1, 2)" "g((x=y++, y))"
M( {a=1 , b=2;} ) /* A semicolon is not a comma */
// CHECK: "{a=1" "b=2;}"
M( <, [ ) /* Passes the arguments < and [ */
// CHECK: "<" "["
M( (,), (...) ) /* Passes the arguments (,) and (...) */
// CHECK: "(,)" "(...)"
#define START_END(start, end) start c=3; end
START_END( {a=1 , b=2;} ) /* braces are not parentheses */
// CHECK: {a=1 c=3; b=2;}
/*
* To pass a comma token as an argument it is
* necessary to write:
*/
#define COMMA ,
M(a COMMA b, (a, b))
// CHECK: "a COMMA b" "(a, b)"
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