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Add additional constraints on midpoint(pointer, pointer). Fixes PR#42037.

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git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@361970 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Marshall Clow
2019-05-29 15:17:55 +00:00
parent fd386ddbbc
commit 58320bef19
2 changed files with 17 additions and 5 deletions
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15
test/std/numerics/numeric.ops/numeric.ops.midpoint/midpoint.fail.cpp
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@@ -18,13 +18,22 @@
#include "test_macros.h"
int func1 () { return 1; }
int func2 () { return 2; }
struct Incomplete;
Incomplete *ip = nullptr;
void *vp = nullptr;
int main(int, char**)
{
(void) std::midpoint(false, true); // expected-error {{no matching function for call to 'midpoint'}}
(void) std::midpoint(false, true); // expected-error {{no matching function for call to 'midpoint'}}
// A couple of odd pointer types that should fail
(void) std::midpoint(nullptr, nullptr); // expected-error {{no matching function for call to 'midpoint'}}
(void) std::midpoint((void *)0, (void *)0); // expected-error@numeric:* {{arithmetic on pointers to void}}
(void) std::midpoint(nullptr, nullptr); // expected-error {{no matching function for call to 'midpoint'}}
(void) std::midpoint(func1, func2); // expected-error {{no matching function for call to 'midpoint'}}
(void) std::midpoint(ip, ip); // expected-error {{no matching function for call to 'midpoint'}}
(void) std::midpoint(vp, vp); // expected-error {{no matching function for call to 'midpoint'}}
return 0;
}