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761787d425
This relands https://github.com/llvm/llvm-project/pull/135119, after fixing crashes seen in LLDB CI reported here: https://github.com/llvm/llvm-project/pull/135119#issuecomment-2794910840 Fixes https://github.com/llvm/llvm-project/pull/135119 This changes the TemplateArgument representation to hold a flag indicating whether a tempalte argument of expression type is supposed to be canonical or not. This gets one step closer to solving https://github.com/llvm/llvm-project/issues/92292 This still doesn't try to unique as-written TSTs. While this would increase the amount of memory savings and make code dealing with the AST more well-behaved, profiling template argument lists is still too expensive for this to be worthwhile, at least for now. This also fixes the context creation of TSTs, so that they don't in some cases get incorrectly flagged as sugar over their own canonical form. This is captured in the test expectation change of some AST dumps. This fixes some places which were unnecessarily canonicalizing these TSTs.
16 lines
352 B
C++
16 lines
352 B
C++
// RUN: %clang_cc1 -std=c++17 -verify %s
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// RUN: %clang_cc1 -std=c++20 -verify %s
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namespace GH61356 {
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template <typename T, bool b>
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class boo {void foo();};
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template <typename T>
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class boo<T, true>;
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template<typename T>
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void boo<T, true>::foo(){} // expected-error{{out-of-line definition of 'foo' from class 'boo<T, true>' without definition}}
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}
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