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(210 Problems)

6 Votes

1 Solution

Concurrency::concurrent_unordered_multimap has a critical bug

#include <concurrent_unordered_map.h> #include <iostream> #include <unordered_map> struct myhash { s

Baeby Seton solvedMar 29, '18

3 Votes

2 Solution

compilation error C2057: "expected constant expression" after updating to msvc 14.13.26128

The following code line: template class __declspec(dllexport) std::basic_string<char>; results in th

in C++ cppcompiler Under Investigation

Lucas Vogel commentedApr 11, '18

2 Votes

0 Solution

[MSConnect 1179496] VC++ lrintf() is 376 times longer than gcc/clang version

----------------------- Problem Description ----------------------- On gcc/clang the lrintf function

in C++ cppcompiler Under Consideration

Eric Brumer [MSFT] commentedMar 5, '18

2 Votes

1 Solution

Internal Compiler Errors on VS 15.5 64-bit involving SSE/AVX blend instructions

Hi, Using _mm_blend_ps and/or _mm256_blend_ps seems to cause ICEs when also user-defining copy-const

in C++ visual studio 2017 version 15.5 cppcompiler Fixed - Pending Release

Leo Zhang [MSFT] commentedMar 16, '18

2 Votes

0 Solution

FILE macro should not change casing of file

Right now whether __FILE__ macro returns the actual name (including casing), or lowercased name depe

in C++ cppcompiler Under Investigation

Leo Zhang [MSFT] commentedApr 2, '18

2 Votes

0 Solution

Visual c++ 15.5.2 problem with clang 2 with header

When included the header <exception> the compiler clang report the following error: 1>C:\Program Fil

in C++ cppcompiler Under Consideration

Brannon King commentedJan 13, '18

2 Votes

0 Solution

Debugging native Android O app

I use my own buildchain and build for Android O successfully;however I use the visual studio standar

in C++ cppcompiler Triaged

Daniel Dyre-Greensite editedyesterday

2 Votes

1 Solution

ucrtbase's implementation of time() unnecessarily uses GetSystemTimePreciseAsFileTime

When ucrtbase was introduced <https://blogs.msdn.microsoft.com/vcblog/2014/06/18/c-runtime-crt-featu

in C++ C++ cppcompiler Under Investigation

Juan Del Moral Gonzalez [MSFT] solvedApr 10, '18

2 Votes

0 Solution

Internal compiler error using variadic templates (VS 15.5.2)

The following code produces an internal compiler error:template<typename... P> class C1 { void U(P..

in C++ cppcompiler Under Consideration

Holger Strauss commentedJan 8, '18

1 Votes

1 Solution

[Feedback] [MSConnect 3103802] Poor codegen without static on const char[]

This item was filed by a customer. Please communicate and close the loop with your customer via the

in C++ cppcompiler Under Investigation

Rui Zhang [MSFT] solvedMar 3, '18

1 Votes

0 Solution

ICE with /arch:AVX512 and no Whole Program Optimization (15.7 preview 3)

On Visual Studio 2017 15.7.0 Preview 3.0, the following code will ICE when compiled with: x64 Releas

in C++ visual studio 2017 cppcompiler Under Investigation

Shanshan Chen [MSFT] commented6 days ago

1 Votes

0 Solution

I export C++ the project into a template. The project created by this template is empty.

You can reproduce this: create a new C ++ project (for example, a console application). Perform: Pro

in C++ cppcompiler Under Investigation

sulu clac editedApr 11, '18

1 Votes

0 Solution

swprintf not working in c++ clr projects

Create a new c++ clr console project, include stdio then: wchar_t buffer[1024]; swprintf(buffer, 102

in C++ cppcompiler Under Investigation

Claudiu Danila commentedFeb 9, '18

1 Votes

1 Solution

VS 2017 15.6, cl 19.13.26128, now can't understand `decltype(*DeclVal T ())` where T is a raw pointer type

Found when building Firefox after upgrading VS to 15.6. Details at: https://bugzilla.mozilla.org/sho

in C++ cppcompiler fixed in: visual studio 2017 version 15.7 preview 1 Fixed - Pending Release

Blair Wang-MSFT commentedMar 14, '18

1 Votes

1 Solution

C++ placement new is incorrectly compiled

Hi, I've encoutered strange behavior of MSVC compiler, the details are below. The toolset version Mi

in C++ cppcompiler Under Investigation

Eldar Zakirov editedApr 9, '18

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Problems

Concurrency::concurrent_unordered_multimap has a critical bug

compilation error C2057: "expected constant expression" after updating to msvc 14.13.26128

[MSConnect 1179496] VC++ lrintf() is 376 times longer than gcc/clang version

Internal Compiler Errors on VS 15.5 64-bit involving SSE/AVX blend instructions

FILE macro should not change casing of file

Visual c++ 15.5.2 problem with clang 2 with header

Debugging native Android O app

ucrtbase's implementation of time() unnecessarily uses GetSystemTimePreciseAsFileTime

Internal compiler error using variadic templates (VS 15.5.2)

[Feedback] [MSConnect 3103802] Poor codegen without static on const char[]

ICE with /arch:AVX512 and no Whole Program Optimization (15.7 preview 3)

I export C++ the project into a template. The project created by this template is empty.

swprintf not working in c++ clr projects

VS 2017 15.6, cl 19.13.26128, now can't understand `decltype(*DeclVal T ())` where T is a raw pointer type

C++ placement new is incorrectly compiled

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