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// RUN: %clang_cc1 -std=c++11 -fsyntax-only -verify=precxx26,expected -Wc++26-extensions %s
// RUN: %clang_cc1 -std=c++2c -fsyntax-only -verify=cxx26,expected -Wpre-c++26-compat %s
int main() {
(void) R"abc`@$(foobar)abc`@$";
//precxx26-warning@-1 {{'`' in a raw string literal delimiter is a C++2c extension}}
//precxx26-warning@-2 {{'@' in a raw string literal delimiter is a C++2c extension}}
//precxx26-warning@-3 {{'$' in a raw string literal delimiter is a C++2c extension}}
//cxx26-warning@-4 {{'`' in a raw string literal delimiter is incompatible with standards before C++2c}}
//cxx26-warning@-5 {{'@' in a raw string literal delimiter is incompatible with standards before C++2c}}
//cxx26-warning@-6 {{'$' in a raw string literal delimiter is incompatible with standards before C++2c}}
(void) R"\t()\t";
// expected-error@-1 {{invalid character '\' in raw string delimiter}}
// expected-error@-2 {{expected expression}}
(void) R" () ";
// expected-error@-1 {{invalid character ' ' in raw string delimiter}}
// expected-error@-2 {{expected expression}}
(void) R"\()\";
// expected-error@-1 {{invalid character '\' in raw string delimiter}}
// expected-error@-2 {{expected expression}}
(void) R"@(foo)@";
// cxx26-warning@-1 {{'@' in a raw string literal delimiter is incompatible with standards before C++2c}}
// precxx26-warning@-2 {{'@' in a raw string literal delimiter is a C++2c extension}}
}
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