forked from OSchip/llvm-project
269 lines
10 KiB
C++
269 lines
10 KiB
C++
// RUN: %check_clang_tidy %s readability-uppercase-literal-suffix %t -- -- -I %S
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// RUN: grep -Ev "// *[A-Z-]+:" %s > %t.cpp
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// RUN: clang-tidy %t.cpp -checks='-*,readability-uppercase-literal-suffix' -fix -- -I %S
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// RUN: clang-tidy %t.cpp -checks='-*,readability-uppercase-literal-suffix' -warnings-as-errors='-*,readability-uppercase-literal-suffix' -- -I %S
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#include "readability-uppercase-literal-suffix.h"
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void integer_suffix() {
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static constexpr auto v0 = __LINE__; // synthetic
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static_assert(v0 == 9 || v0 == 5, "");
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static constexpr auto v1 = __cplusplus; // synthetic, long
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static constexpr auto v2 = 1; // no literal
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static_assert(is_same<decltype(v2), const int>::value, "");
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static_assert(v2 == 1, "");
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// Unsigned
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static constexpr auto v3 = 1u;
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// CHECK-MESSAGES: :[[@LINE-1]]:30: warning: integer literal has suffix 'u', which is not uppercase
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// CHECK-MESSAGES-NEXT: static constexpr auto v3 = 1u;
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// CHECK-MESSAGES-NEXT: ^~
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// CHECK-MESSAGES-NEXT: {{^ *}}U{{$}}
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// CHECK-FIXES: static constexpr auto v3 = 1U;
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static_assert(is_same<decltype(v3), const unsigned int>::value, "");
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static_assert(v3 == 1, "");
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static constexpr auto v4 = 1U; // OK.
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static_assert(is_same<decltype(v4), const unsigned int>::value, "");
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static_assert(v4 == 1, "");
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// Long
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static constexpr auto v5 = 1l;
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// CHECK-MESSAGES: :[[@LINE-1]]:30: warning: integer literal has suffix 'l', which is not uppercase
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// CHECK-MESSAGES-NEXT: static constexpr auto v5 = 1l;
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// CHECK-MESSAGES-NEXT: ^~
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// CHECK-MESSAGES-NEXT: {{^ *}}L{{$}}
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// CHECK-FIXES: static constexpr auto v5 = 1L;
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static_assert(is_same<decltype(v5), const long>::value, "");
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static_assert(v5 == 1, "");
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static constexpr auto v6 = 1L; // OK.
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static_assert(is_same<decltype(v6), const long>::value, "");
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static_assert(v6 == 1, "");
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// Long Long
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static constexpr auto v7 = 1ll;
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// CHECK-MESSAGES: :[[@LINE-1]]:30: warning: integer literal has suffix 'll', which is not uppercase
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// CHECK-MESSAGES-NEXT: static constexpr auto v7 = 1ll;
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// CHECK-MESSAGES-NEXT: ^~~
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// CHECK-MESSAGES-NEXT: {{^ *}}LL{{$}}
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// CHECK-FIXES: static constexpr auto v7 = 1LL;
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static_assert(is_same<decltype(v7), const long long>::value, "");
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static_assert(v7 == 1, "");
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static constexpr auto v8 = 1LL; // OK.
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static_assert(is_same<decltype(v8), const long long>::value, "");
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static_assert(v8 == 1, "");
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// Unsigned Long
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static constexpr auto v9 = 1ul;
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// CHECK-MESSAGES: :[[@LINE-1]]:30: warning: integer literal has suffix 'ul', which is not uppercase
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// CHECK-MESSAGES-NEXT: static constexpr auto v9 = 1ul;
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// CHECK-MESSAGES-NEXT: ^~~
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// CHECK-MESSAGES-NEXT: {{^ *}}UL{{$}}
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// CHECK-FIXES: static constexpr auto v9 = 1UL;
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static_assert(is_same<decltype(v9), const unsigned long>::value, "");
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static_assert(v9 == 1, "");
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static constexpr auto v10 = 1uL;
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// CHECK-MESSAGES: :[[@LINE-1]]:31: warning: integer literal has suffix 'uL', which is not uppercase
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// CHECK-MESSAGES-NEXT: static constexpr auto v10 = 1uL;
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// CHECK-MESSAGES-NEXT: ^~~
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// CHECK-MESSAGES-NEXT: {{^ *}}UL{{$}}
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// CHECK-FIXES: static constexpr auto v10 = 1UL;
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static_assert(is_same<decltype(v10), const unsigned long>::value, "");
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static_assert(v10 == 1, "");
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static constexpr auto v11 = 1Ul;
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// CHECK-MESSAGES: :[[@LINE-1]]:31: warning: integer literal has suffix 'Ul', which is not uppercase
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// CHECK-MESSAGES-NEXT: static constexpr auto v11 = 1Ul;
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// CHECK-MESSAGES-NEXT: ^~~
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// CHECK-MESSAGES-NEXT: {{^ *}}UL{{$}}
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// CHECK-FIXES: static constexpr auto v11 = 1UL;
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static_assert(is_same<decltype(v11), const unsigned long>::value, "");
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static_assert(v11 == 1, "");
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static constexpr auto v12 = 1UL; // OK.
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static_assert(is_same<decltype(v12), const unsigned long>::value, "");
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static_assert(v12 == 1, "");
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// Long Unsigned
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static constexpr auto v13 = 1lu;
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// CHECK-MESSAGES: :[[@LINE-1]]:31: warning: integer literal has suffix 'lu', which is not uppercase
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// CHECK-MESSAGES-NEXT: static constexpr auto v13 = 1lu;
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// CHECK-MESSAGES-NEXT: ^~~
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// CHECK-MESSAGES-NEXT: {{^ *}}LU{{$}}
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// CHECK-FIXES: static constexpr auto v13 = 1LU;
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static_assert(is_same<decltype(v13), const unsigned long>::value, "");
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static_assert(v13 == 1, "");
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static constexpr auto v14 = 1Lu;
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// CHECK-MESSAGES: :[[@LINE-1]]:31: warning: integer literal has suffix 'Lu', which is not uppercase
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// CHECK-MESSAGES-NEXT: static constexpr auto v14 = 1Lu;
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// CHECK-MESSAGES-NEXT: ^~~
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// CHECK-MESSAGES-NEXT: {{^ *}}LU{{$}}
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// CHECK-FIXES: static constexpr auto v14 = 1LU;
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static_assert(is_same<decltype(v14), const unsigned long>::value, "");
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static_assert(v14 == 1, "");
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static constexpr auto v15 = 1lU;
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// CHECK-MESSAGES: :[[@LINE-1]]:31: warning: integer literal has suffix 'lU', which is not uppercase
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// CHECK-MESSAGES-NEXT: static constexpr auto v15 = 1lU;
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// CHECK-MESSAGES-NEXT: ^~~
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// CHECK-MESSAGES-NEXT: {{^ *}}LU{{$}}
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// CHECK-FIXES: static constexpr auto v15 = 1LU;
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static_assert(is_same<decltype(v15), const unsigned long>::value, "");
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static_assert(v15 == 1, "");
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static constexpr auto v16 = 1LU; // OK.
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static_assert(is_same<decltype(v16), const unsigned long>::value, "");
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static_assert(v16 == 1, "");
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// Unsigned Long Long
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static constexpr auto v17 = 1ull;
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// CHECK-MESSAGES: :[[@LINE-1]]:31: warning: integer literal has suffix 'ull', which is not uppercase
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// CHECK-MESSAGES-NEXT: static constexpr auto v17 = 1ull;
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// CHECK-MESSAGES-NEXT: ^~~~
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// CHECK-MESSAGES-NEXT: {{^ *}}ULL{{$}}
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// CHECK-FIXES: static constexpr auto v17 = 1ULL;
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static_assert(is_same<decltype(v17), const unsigned long long>::value, "");
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static_assert(v17 == 1, "");
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static constexpr auto v18 = 1uLL;
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// CHECK-MESSAGES: :[[@LINE-1]]:31: warning: integer literal has suffix 'uLL', which is not uppercase
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// CHECK-MESSAGES-NEXT: static constexpr auto v18 = 1uLL;
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// CHECK-MESSAGES-NEXT: ^~~~
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// CHECK-MESSAGES-NEXT: {{^ *}}ULL{{$}}
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// CHECK-FIXES: static constexpr auto v18 = 1ULL;
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static_assert(is_same<decltype(v18), const unsigned long long>::value, "");
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static_assert(v18 == 1, "");
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static constexpr auto v19 = 1Ull;
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// CHECK-MESSAGES: :[[@LINE-1]]:31: warning: integer literal has suffix 'Ull', which is not uppercase
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// CHECK-MESSAGES-NEXT: static constexpr auto v19 = 1Ull;
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// CHECK-MESSAGES-NEXT: ^~~~
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// CHECK-MESSAGES-NEXT: {{^ *}}ULL{{$}}
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// CHECK-FIXES: static constexpr auto v19 = 1ULL;
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static_assert(is_same<decltype(v19), const unsigned long long>::value, "");
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static_assert(v19 == 1, "");
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static constexpr auto v20 = 1ULL; // OK.
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static_assert(is_same<decltype(v20), const unsigned long long>::value, "");
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static_assert(v20 == 1, "");
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// Long Long Unsigned
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static constexpr auto v21 = 1llu;
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// CHECK-MESSAGES: :[[@LINE-1]]:31: warning: integer literal has suffix 'llu', which is not uppercase
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// CHECK-MESSAGES-NEXT: static constexpr auto v21 = 1llu;
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// CHECK-MESSAGES-NEXT: ^~~~
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// CHECK-MESSAGES-NEXT: {{^ *}}LLU{{$}}
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// CHECK-FIXES: static constexpr auto v21 = 1LLU;
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static_assert(is_same<decltype(v21), const unsigned long long>::value, "");
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static_assert(v21 == 1, "");
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static constexpr auto v22 = 1LLu;
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// CHECK-MESSAGES: :[[@LINE-1]]:31: warning: integer literal has suffix 'LLu', which is not uppercase
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// CHECK-MESSAGES-NEXT: static constexpr auto v22 = 1LLu;
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// CHECK-MESSAGES-NEXT: ^~~~
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// CHECK-MESSAGES-NEXT: {{^ *}}LLU{{$}}
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// CHECK-FIXES: static constexpr auto v22 = 1LLU;
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static_assert(is_same<decltype(v22), const unsigned long long>::value, "");
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static_assert(v22 == 1, "");
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static constexpr auto v23 = 1llU;
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// CHECK-MESSAGES: :[[@LINE-1]]:31: warning: integer literal has suffix 'llU', which is not uppercase
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// CHECK-MESSAGES-NEXT: static constexpr auto v23 = 1llU;
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// CHECK-MESSAGES-NEXT: ^~~~
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// CHECK-MESSAGES-NEXT: {{^ *}}LLU{{$}}
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// CHECK-FIXES: static constexpr auto v23 = 1LLU;
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static_assert(is_same<decltype(v23), const unsigned long long>::value, "");
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static_assert(v23 == 1, "");
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static constexpr auto v24 = 1LLU; // OK.
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static_assert(is_same<decltype(v24), const unsigned long long>::value, "");
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static_assert(v24 == 1, "");
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}
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void integer_complex_suffix() {
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// _Complex, I
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static constexpr auto v25 = 1i;
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// CHECK-MESSAGES: :[[@LINE-1]]:31: warning: integer literal has suffix 'i', which is not uppercase
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// CHECK-MESSAGES-NEXT: static constexpr auto v25 = 1i;
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// CHECK-MESSAGES-NEXT: ^~
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// CHECK-MESSAGES-NEXT: {{^ *}}I{{$}}
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// CHECK-FIXES: static constexpr auto v25 = 1I;
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static_assert(is_same<decltype(v25), const _Complex int>::value, "");
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static_assert(v25 == 1I, "");
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static constexpr auto v26 = 1I; // OK.
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static_assert(is_same<decltype(v26), const _Complex int>::value, "");
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static_assert(v26 == 1I, "");
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// _Complex, J
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static constexpr auto v27 = 1j;
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// CHECK-MESSAGES: :[[@LINE-1]]:31: warning: integer literal has suffix 'j', which is not uppercase
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// CHECK-MESSAGES-NEXT: static constexpr auto v27 = 1j;
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// CHECK-MESSAGES-NEXT: ^~
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// CHECK-MESSAGES-NEXT: {{^ *}}J{{$}}
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// CHECK-FIXES: static constexpr auto v27 = 1J;
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static_assert(is_same<decltype(v27), const _Complex int>::value, "");
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static_assert(v27 == 1J, "");
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static constexpr auto v28 = 1J; // OK.
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static_assert(is_same<decltype(v28), const _Complex int>::value, "");
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static_assert(v28 == 1J, "");
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}
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void macros() {
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#define PASSTHROUGH(X) X
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static constexpr auto m0 = PASSTHROUGH(1u);
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// CHECK-MESSAGES: :[[@LINE-1]]:42: warning: integer literal has suffix 'u', which is not uppercase
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// CHECK-MESSAGES-NEXT: static constexpr auto m0 = PASSTHROUGH(1u);
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// CHECK-MESSAGES-NEXT: ^~
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// CHECK-MESSAGES-NEXT: {{^ *}}U{{$}}
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// CHECK-FIXES: static constexpr auto m0 = PASSTHROUGH(1U);
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static_assert(is_same<decltype(m0), const unsigned int>::value, "");
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static_assert(m0 == 1, "");
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}
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// Check that user-defined literals do not cause any diags.
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unsigned long long int operator"" _ull(unsigned long long int);
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void user_defined_literals() {
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1_ull;
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}
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template <unsigned alignment>
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void template_test() {
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static_assert(alignment, "");
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}
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void actual_template_test() {
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template_test<4>();
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}
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const int table[6] = {};
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void read_test() {
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for (auto i : table) {
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}
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}
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namespace {
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enum a { b };
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constexpr bool operator&(a, a) { return int(); }
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template <a l>
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void c() { l &a(); }
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void d();
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void d() { c<b>(); }
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} // namespace
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