opnsense-src/test/Preprocessor/macro_paste_empty.c

// RUN: %clang_cc1 -E %s | FileCheck --strict-whitespace %s

#define FOO(X) X ## Y
a:FOO()
// CHECK: a:Y

#define FOO2(X) Y ## X
b:FOO2()
// CHECK: b:Y

#define FOO3(X) X ## Y ## X ## Y ## X ## X
c:FOO3()
// CHECK: c:YY

#define FOO4(X, Y) X ## Y
d:FOO4(,FOO4(,))
// CHECK: d:FOO4
Vendor import of clang release_34 branch r197841 (effectively, 3.4 RC3): https://llvm.org/svn/llvm-project/cfe/branches/release_34@197841 2013-12-21 19:07:40 -05:00			`// RUN: %clang_cc1 -E %s \| FileCheck --strict-whitespace %s`
Import Clang, at r72732. 2009-06-02 13:58:47 -04:00
			`#define FOO(X) X ## Y`
			`a:FOO()`
Vendor import of clang release_34 branch r197841 (effectively, 3.4 RC3): https://llvm.org/svn/llvm-project/cfe/branches/release_34@197841 2013-12-21 19:07:40 -05:00			`// CHECK: a:Y`
Import Clang, at r72732. 2009-06-02 13:58:47 -04:00
			`#define FOO2(X) Y ## X`
			`b:FOO2()`
Vendor import of clang release_34 branch r197841 (effectively, 3.4 RC3): https://llvm.org/svn/llvm-project/cfe/branches/release_34@197841 2013-12-21 19:07:40 -05:00			`// CHECK: b:Y`
Import Clang, at r72732. 2009-06-02 13:58:47 -04:00
			`#define FOO3(X) X ## Y ## X ## Y ## X ## X`
			`c:FOO3()`
Vendor import of clang release_34 branch r197841 (effectively, 3.4 RC3): https://llvm.org/svn/llvm-project/cfe/branches/release_34@197841 2013-12-21 19:07:40 -05:00			`// CHECK: c:YY`
Import Clang, at r72732. 2009-06-02 13:58:47 -04:00
Vendor import of clang release_34 branch r197841 (effectively, 3.4 RC3): https://llvm.org/svn/llvm-project/cfe/branches/release_34@197841 2013-12-21 19:07:40 -05:00			`#define FOO4(X, Y) X ## Y`
			`d:FOO4(,FOO4(,))`
			`// CHECK: d:FOO4`