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swift-clang
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4deb154edccff8545d801c567628464082e7aeb9
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.
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test
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Preprocessor
/
macro_paste_hashhash.c
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// RUN: %clang_cc1 -E %s | FileCheck %s
#define
hash_hash
# ## #
#define
mkstr
(
a
)
# a
#define
in_between
(
a
)
mkstr
(
a
)
#define
join
(
c
,
d
)
in_between
(
c hash_hash d
)
// CHECK: "x ## y";
join
(
x
,
y
);
#define
FOO
(
x
)
A x B
// CHECK: A ## B;
FOO
(##);