[docs] Add LICENSE.txt to the root of the mono-repo
[llvm-project.git] / clang / test / SemaCXX / weak-init.cpp
bloba88d32bdca5a17e8b3e0d7fc36c9e38c5c178d71
1 // RUN: %clang_cc1 %s -verify -fsyntax-only
3 extern const int W1 __attribute__((weak)) = 10; // expected-note {{declared here}}
5 static_assert(W1 == 10, ""); // expected-error {{static assertion expression is not an integral constant expression}}
6 // expected-note@-1 {{initializer of weak variable 'W1' is not considered constant because it may be different at runtime}}
8 extern const int W2 __attribute__((weak)) = 20;
10 int S2[W2]; // expected-error {{variable length array declaration not allowed at file scope}}
12 extern const int W3 __attribute__((weak)) = 30; // expected-note {{declared here}}
14 constexpr int S3 = W3; // expected-error {{constexpr variable 'S3' must be initialized by a constant expression}}
15 // expected-note@-1 {{initializer of weak variable 'W3' is not considered constant because it may be different at runtime}}