186f9cf88SAnders Waldenborg // RUN: %clang_cc1 %s -verify -fsyntax-only
286f9cf88SAnders Waldenborg 
386f9cf88SAnders Waldenborg extern const int W1 __attribute__((weak)) = 10; // expected-note {{declared here}}
486f9cf88SAnders Waldenborg 
5*76476efdSMuhammad Usman Shahid static_assert(W1 == 10, ""); // expected-error   {{static assertion expression is not an integral constant expression}}
686f9cf88SAnders Waldenborg                              // expected-note@-1 {{initializer of weak variable 'W1' is not considered constant because it may be different at runtime}}
786f9cf88SAnders Waldenborg 
886f9cf88SAnders Waldenborg extern const int W2 __attribute__((weak)) = 20;
986f9cf88SAnders Waldenborg 
1086f9cf88SAnders Waldenborg int S2[W2]; // expected-error {{variable length array declaration not allowed at file scope}}
1186f9cf88SAnders Waldenborg 
1286f9cf88SAnders Waldenborg extern const int W3 __attribute__((weak)) = 30; // expected-note {{declared here}}
1386f9cf88SAnders Waldenborg 
1486f9cf88SAnders Waldenborg constexpr int S3 = W3; // expected-error   {{constexpr variable 'S3' must be initialized by a constant expression}}
1586f9cf88SAnders Waldenborg                        // expected-note@-1 {{initializer of weak variable 'W3' is not considered constant because it may be different at runtime}}
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