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// RUN: %target-typecheck-verify-swift
#if canImport(Darwin)
import Darwin
#elseif canImport(Glibc)
import Glibc
#elseif os(WASI)
import WASILibc
#elseif canImport(Android)
import Android
#elseif os(Windows)
import CRT
#else
#error("Unsupported platform")
#endif
_ = M_PI // expected-warning {{is deprecated: Please use 'Double.pi' or '.pi' to get the value of correct type and avoid casting.}}{{documentation-file=deprecated-declaration}}
_ = M_PI_2 // expected-warning {{is deprecated: Please use 'Double.pi / 2' or '.pi / 2' to get the value of correct type and avoid casting.}}{{documentation-file=deprecated-declaration}}
_ = M_PI_4 // expected-warning {{is deprecated: Please use 'Double.pi / 4' or '.pi / 4' to get the value of correct type and avoid casting.}}{{documentation-file=deprecated-declaration}}
_ = M_SQRT2 // expected-warning {{is deprecated: Please use '2.squareRoot()'.}}{{documentation-file=deprecated-declaration}}
_ = M_SQRT1_2 // expected-warning {{is deprecated: Please use '0.5.squareRoot()'.}}{{documentation-file=deprecated-declaration}}
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