[llvm-bugs] [Bug 40790] New: Crash when compiling template specialization with auto return type

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=40790

            Bug ID: 40790
           Summary: Crash when compiling template specialization with auto
                    return type
           Product: clang
           Version: trunk
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P
         Component: C++
          Assignee: unassignedclangbugs at nondot.org
          Reporter: devgs at ukr.net
                CC: blitzrakete at gmail.com, dgregor at apple.com,
                    erik.pilkington at gmail.com, llvm-bugs at lists.llvm.org,
                    richard-llvm at metafoo.co.uk

At least the version 5.0 and all version upwards are affected.

Here is a small test case example:

template <typename T>
T foo(int payload);

struct Bar
{ };

template <>
auto foo(int payload)
{
    Bar result;
    return result;
}

Yes, this code has an error but the compiler should emit an error message
instead of crashing.

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