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83ea47acd7
GCC from 11 onwards defaults to -std=gnu++17 for C++ source files. We want to do the same (https://discourse.llvm.org/t/c-objc-switch-to-gnu-17-as-the-default-dialect/64360). Split RUN lines, adjust `-verify`, or add `__cplusplus < 201703L` or `-Wno-dynamic-exception-spec`, so that tests will pass regardless of gnu++14/gnu++17 default. We have a desire to mark a test compatible with multiple language standards. There are ongoing discussions how to add markers in the long term: * https://discourse.llvm.org/t/iterating-lit-run-lines/62596 * https://discourse.llvm.org/t/lit-run-a-run-line-multiple-times-with-different-replacements/64932 As a workaround in the short term, add lit substitutions `%std_cxx98-`, `%std_cxx11-14`, etc. They can be used for tests which work across multiple language standards. If a range has `n` standards, run lit multiple times, with `LIT_CLANG_STD_GROUP=0`, `LIT_CLANG_STD_GROUP=1`, etc to cover all `n` standards. Reviewed By: #clang-language-wg, aaron.ballman Differential Revision: https://reviews.llvm.org/D131464
29 lines
972 B
C++
29 lines
972 B
C++
// RUN: %clang_cc1 -fexceptions -fcxx-exceptions -verify %std_cxx98-14 %s -DERRORS
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// RUN: %clang_cc1 -fexceptions -fcxx-exceptions -emit-llvm-only %std_cxx98-14 %s
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#ifdef ERRORS
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template<typename T> void f1(T*) throw(T); // expected-error{{incomplete type 'Incomplete' is not allowed in exception specification}}
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struct Incomplete; // expected-note{{forward}}
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void test_f1(Incomplete *incomplete_p, int *int_p) {
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f1(int_p);
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f1(incomplete_p); // expected-note{{instantiation of}}
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}
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#endif
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template<typename T> void f(void (*p)() throw(T)) {
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#ifdef ERRORS
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void (*q)() throw(char) = p; // expected-error {{target exception spec}}
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extern void (*p2)() throw(T);
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void (*q2)() throw(char) = p2; // expected-error {{target exception spec}}
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extern void (*p3)() throw(char);
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void (*q3)() throw(T) = p3; // expected-error {{target exception spec}}
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void (*q4)() throw(T) = p2; // ok
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#endif
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p();
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}
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void g() { f<int>(0); } // expected-note {{instantiation of}}
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