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1 // RUN: %clang_cc1 -verify %s
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2 // RUN: %clang_cc1 -verify %s -std=c++98
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3 // RUN: %clang_cc1 -verify %s -std=c++11
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4 // RUN: %clang_cc1 -verify %s -std=c++1z
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5
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6 // PR25946
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7 // We had an off-by-one error in an assertion when annotating A<int> below. Our
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8 // error recovery checks if A<int> is a constructor declarator, and opens a
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9 // TentativeParsingAction. Then we attempt to annotate the token at the exact
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10 // position that we want to possibly backtrack to, and this used to crash.
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11
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12 template <typename T> class A {};
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13
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14 // expected-error@+1 {{expected '{' after base class list}}
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15 template <typename T> class B : T // not ',' or '{'
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16 #if __cplusplus < 201103L
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17 // expected-error@+8 {{expected ';' after top level declarator}}
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18 #endif
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19 #if __cplusplus <= 201402L
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20 // expected-error@+5 {{C++ requires a type specifier for all declarations}}
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21 #else
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22 // expected-error@+3 {{expected unqualified-id}}
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23 #endif
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24 // expected-error@+1 {{expected ';' after class}}
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25 A<int> {
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26 };
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