llvm-project/clang/test/Modules/missing-module-declaration.cppm
Chuanqi Xu 9974ed8049 [C++20] [Modules] Remove assertion of current module when acting on import
Closes https://github.com/llvm/llvm-project/issues/58199

Previously, when we act on a import statement, we'll assume there is a
module declaration in the current TU if the command line tells us we're
compiling a module unit. This makes since on valid codes. However, for
invalid codes, it is possible. See
https://github.com/llvm/llvm-project/issues/58199 for example.

This patch removes the assertion. And the assertion is a noop and it
should be safe to remove it.
2022-10-08 16:44:51 +08:00

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// RUN: rm -rf %t
// RUN: split-file %s %t
// RUN: cd %t
//
// RUN: %clang_cc1 -std=c++20 %t/B.cppm -I%t -emit-module-interface -o %t/B.pcm
// RUN: %clang_cc1 -std=c++20 %t/A.cppm -I%t -fprebuilt-module-path=%t -emit-module-interface -verify
//--- A.cppm
import B; // expected-error{{missing 'export module' declaration in module interface unit}}
//--- B.cppm
module;
export module B;