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49532137d0
With LLVM_APPEND_VC_REV=NO, Modules/merge-lifetime-extended-temporary.cpp would fail if it ran beforea0f50d7316
(which changed the serialization format) and then after, for these reasons: 1. With LLVM_APPEND_VC_REV=NO, the module hash before and after the change was the same. 2. Modules/merge-lifetime-extended-temporary.cpp is the only test we have that uses -fmodule-cache-path=%t that a) actually writes to the cache path b) doesn't do `rm -rf %t` at the top of the test So the old run would write a module file, and then the new run would try to load it, but the serialized format changed. Do several things to fix this: 1. Include clang::serialization::VERSION_MAJOR/VERSION_MINOR in the module hash, so that when the AST format changes (...and we remember to bump these), we use a different module cache dir. 2. Bump VERSION_MAJOR, sincea0f50d7316
changed the on-disk format in a way that a gch file written before that change can't be read after that change. 3. Add `rm -rf %t` to all tests that pass -fmodule-cache-path=%t. This is unnecessary from a correctness PoV after 1 and 2, but makes it so that we don't amass many cache dirs over time. (Arguably, it also makes it so that the test suite doesn't catch when we change the serialization format but don't bump clang::serialization::VERSION_MAJOR/VERSION_MINOR; oh well.) Differential Revision: https://reviews.llvm.org/D73202
38 lines
755 B
C++
38 lines
755 B
C++
// RUN: rm -rf %t
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// RUN: %clang_cc1 -x c++ -std=c++17 -fmodules -fmodules-local-submodule-visibility -fmodules-cache-path=%t %s -verify
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// expected-no-diagnostics
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#pragma clang module build PR38627
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module PR38627 {}
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#pragma clang module contents
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#pragma clang module begin PR38627
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namespace PR38627 {
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struct X {
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virtual ~X() {}
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struct C {
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friend X::~X();
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} c;
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};
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}
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#pragma clang module end
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#pragma clang module endbuild
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#pragma clang module import PR38627
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namespace PR38627 {
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struct Y {
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virtual ~Y() {}
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struct C {
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friend Y::~Y();
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} c;
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};
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static_assert(noexcept(X().~X()));
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static_assert(noexcept(Y().~Y()));
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struct A { virtual ~A() = default; };
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struct B : public A, public X {
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virtual ~B() override = default;
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};
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} // PR38627
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