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// RUN: clang-cc -fsyntax-only %s > %t 2>&1
#define M1(x) x
// RUN: grep ":6:12: note: instantiated from:" %t
#define M2 1;
void foo() {
// RUN: grep ":10:2: warning: expression result unused" %t
M1(
// RUN: grep ":12:5: note: instantiated from:" %t
M2)
}
// RUN: grep ":16:11: note: instantiated from:" %t
#define A 1
// RUN: grep ":18:11: note: instantiated from:" %t
#define B A
// RUN: grep ":20:11: note: instantiated from:" %t
#define C B
void bar() {
// RUN: grep ":24:3: warning: expression result unused" %t
C;
}
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