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c5d194fcd3
This failure mode shows up occasionally when users try to include C headers in C++ projects or when porting from Windows. We might as well recover in the way the user expected, thus avoiding confusing diagnostic messages at point of use. llvm-svn: 209963
32 lines
909 B
C++
32 lines
909 B
C++
// RUN: %clang_cc1 %s -E -verify -DOPERATOR_NAMES
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// RUN: %clang_cc1 %s -E -verify -fno-operator-names
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#ifndef OPERATOR_NAMES
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//expected-error@+3 {{token is not a valid binary operator in a preprocessor subexpression}}
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#endif
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// Valid because 'and' is a spelling of '&&'
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#if defined foo and bar
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#endif
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// Not valid in C++ unless -fno-operator-names is passed:
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#ifdef OPERATOR_NAMES
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//expected-error@+2 {{C++ operator 'and' (aka '&&') used as a macro name}}
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#endif
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#define and foo
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#ifdef OPERATOR_NAMES
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//expected-error@+2 {{C++ operator 'xor' (aka '^') used as a macro name}}
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#endif
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#if defined xor
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#endif
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// For error recovery we continue as though the identifier was a macro name regardless of -fno-operator-names.
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#ifdef OPERATOR_NAMES
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//expected-error@+3 {{C++ operator 'and' (aka '&&') used as a macro name}}
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#endif
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//expected-warning@+2 {{and is defined}}
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#ifdef and
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#warning and is defined
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#endif
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