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// RUN: %clang_cc1 -isystem %S -Wdouble-promotion -fsyntax-only %s 2>&1 | FileCheck -allow-empty %s
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// CHECK-NOT: warning:
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#include <no-warn-in-system-macro.c.inc>
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#define MACRO(x) x
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int main(void)
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{
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double foo = 1.0;
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if (isnan(foo))
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return 1;
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MACRO(isnan(foo));
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return 0;
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}
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