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The attributes changes were left out of Clang 17. Attributes that used to take a string literal now accept an unevaluated string literal instead, which means they reject numeric escape sequences and strings literal with an encoding prefix - but the later was already ill-formed in most cases. We need to know that we are going to parse an unevaluated string literal before we do - so we can reject numeric escape sequence, so we derive from Attrs.td which attributes parameters are expected to be string literals. Reviewed By: aaron.ballman Differential Revision: https://reviews.llvm.org/D156237
18 lines
1.1 KiB
C++
18 lines
1.1 KiB
C++
// RUN: %clang_cc1 -triple x86_64-apple-darwin9 -verify -fsyntax-only -std=c++11 -fms-extensions %s
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#if !__has_feature(attribute_deprecated_with_replacement)
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#error "Missing __has_feature"
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#endif
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int a1 [[deprecated("warning", "fixit")]]; // expected-error{{'deprecated' attribute takes no more than 1 argument}}
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int a2 [[deprecated("warning", 1)]]; // expected-error{{expected string literal as argument of 'deprecated' attribute}}
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int b1 [[gnu::deprecated("warning", "fixit")]]; // expected-error{{'deprecated' attribute takes no more than 1 argument}}
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int b2 [[gnu::deprecated("warning", 1)]]; // expected-error{{expected string literal as argument of 'deprecated' attribute}}
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__declspec(deprecated("warning", "fixit")) int c1; // expected-error{{'deprecated' attribute takes no more than 1 argument}}
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__declspec(deprecated("warning", 1)) int c2; // expected-error{{expected string literal as argument of 'deprecated' attribute}}
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int d1 __attribute__((deprecated("warning", "fixit")));
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int d2 __attribute__((deprecated("warning", 1))); // expected-error{{expected string literal as argument of 'deprecated' attribute}}
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