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// RUN: clang-cc -E %s | grep 'ei_1 = (17 +1);' &&
// RUN: clang-cc -E %s | grep 'ei_2 = (M1)(17);'
#define M1(a) (a+1)
#define M2(b) b
int ei_1 = M2(M1)(17); /* becomes int ei_1 = (17+1); */
int ei_2 = (M2(M1))(17); /* becomes int ei_2 = (M1)(17); */
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