16 lines
892 B
C++

// RUN: %clang_cc1 -std=c++20 -fexperimental-new-constant-interpreter -verify=expected,both %s
// RUN: %clang_cc1 -std=c++20 -verify=ref,both %s
/// FIXME: The new interpreter also emits the "address of weak declaration" note in the pointer-to-bool case.
[[gnu::weak]] extern int a;
int ha[(bool)&a]; // both-warning {{variable length arrays in C++ are a Clang extension}} \
// expected-note {{comparison against address of weak declaration}} \
// both-error {{variable length array declaration not allowed at file scope}}
int ha2[&a == nullptr]; // both-warning {{variable length arrays in C++ are a Clang extension}} \
// both-note {{comparison against address of weak declaration '&a' can only be performed at runtime}} \
// both-error {{variable length array declaration not allowed at file scope}}