Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/gcc.dg/cpp/builtin-macro-1.c @ 111:04ced10e8804
gcc 7
author | kono |
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date | Fri, 27 Oct 2017 22:46:09 +0900 |
parents | |
children | 84e7813d76e9 |
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/* Origin PR preprocessor/64803 This test ensures that the value the __LINE__ macro expands to is constant and corresponds to the line of the closing parenthesis of the top-most function-like macro expansion it's part of. { dg-do run } { do-options -no-integrated-cpp } */ #include <assert.h> #define C(a, b) a ## b #define L(x) C(L, x) #define M(a) int L(__LINE__) = __LINE__; assert(L(__LINE__) == __LINE__); int main() { M(a ); assert(L20 == 20); /* 20 is the line number of the closing parenthesis of the invocation of the M macro. Please adjust in case the layout of this file changes. */ return 0; }