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I've borrowed size-calculation test from PR89036 and added another test, which PR89036 fails on.
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// RUN: %clang --target=x86_64-pc-linux -S -fno-discard-value-names -emit-llvm -o - %s | FileCheck %s | ||
// RUN: %clang_cc1 %s -fsyntax-only -verify | ||
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namespace std { | ||
using size_t = decltype(sizeof(int)); | ||
}; | ||
void* operator new[](std::size_t, void*) noexcept; | ||
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// CHECK: call void @llvm.memset.p0.i64(ptr align 1 %x, i8 0, i64 8, i1 false) | ||
// CHECK: call void @llvm.memset.p0.i64(ptr align 16 %x, i8 0, i64 32, i1 false) | ||
template <typename TYPE> | ||
void f() | ||
{ | ||
typedef TYPE TArray[8]; | ||
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TArray x; | ||
new(&x) TArray(); | ||
} | ||
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template <typename T> | ||
void f1() { | ||
int (*x)[1] = new int[1][1]; | ||
} | ||
template void f1<char>(); | ||
void f2() { | ||
int (*x)[1] = new int[1][1]; | ||
} | ||
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int main() | ||
{ | ||
f<char>(); | ||
f<int>(); | ||
} | ||
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// expected-no-diagnostics | ||
template <typename T> struct unique_ptr {unique_ptr(T* p){}}; | ||
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template <typename T> | ||
unique_ptr<T> make_unique(unsigned long long n) { | ||
return unique_ptr<T>(new T[n]()); | ||
} | ||
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auto boro(int n){ | ||
typedef double HistoryBuffer[4]; | ||
return make_unique<HistoryBuffer>(n); | ||
} |