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-trigraphs is now an alias for -ftrigraphs. -fno-trigraphs makes it possible to explicitly disable trigraphs, which couldn't be done before. clang -std=c++11 -fno-trigraphs now builds without GNU extensions, but with trigraphs disabled. Previously, trigraphs were only disabled in GNU modes or with -std=c++1z. Make the new -f flags the cc1 interface too. This requires changing -trigraphs to -ftrigraphs in a few cc1 tests. Related to PR21974. llvm-svn: 224790
18 lines
813 B
C++
18 lines
813 B
C++
// RUN: %clang_cc1 -DSTDCPP11 -std=c++11 -verify -fsyntax-only %s
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// RUN: %clang_cc1 -DSTDGNU11 -std=gnu++11 -verify -fsyntax-only %s
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// RUN: %clang_cc1 -DSTDGNU11TRI -ftrigraphs -std=gnu++11 -verify -fsyntax-only %s
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// RUN: %clang_cc1 -DSTDCPP17 -std=c++1z -verify -fsyntax-only %s
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// RUN: %clang_cc1 -DSTDCPP17TRI -ftrigraphs -std=c++1z -verify -fsyntax-only %s
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// RUN: %clang_cc1 -DMSCOMPAT -fms-compatibility -std=c++11 -verify -fsyntax-only %s
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void foo() {
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#if defined(NOFLAGS) || defined(STDCPP11) || defined(STDGNU11TRI) || \
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defined(STDCPP17TRI)
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const char c[] = "??/n"; // expected-warning{{trigraph converted to '\' character}}
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#elif defined(STDGNU11) || defined(STDCPP17) || defined(MSCOMPAT)
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const char c[] = "??/n"; // expected-warning{{trigraph ignored}}
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#else
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#error Not handled.
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#endif
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}
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