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clang
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e8264bb9815647b4c6558aeb045c65965cdb26d3
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.
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test
/
Preprocessor
/
macro_fn_preexpand.c
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// RUN: %clang_cc1 %s -E | grep 'pre: 1 1 X'
// RUN: %clang_cc1 %s -E | grep 'nopre: 1A(X)'
/* Preexpansion of argument. */
#define
A
(
X
)
1
X
pre
:
A
(
A
(
X
))
/* The ## operator disables preexpansion. */
#undef
A
#define
A
(
X
)
1
## X
nopre
:
A
(
A
(
X
))