[llvm-bugs] [Bug 51937] New: Non-standard code managed to crash the parser

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=51937

            Bug ID: 51937
           Summary: Non-standard code managed to crash the parser
           Product: clang
           Version: 12.0
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: C++2a
          Assignee: unassignedclangbugs at nondot.org
          Reporter: roma.sandu at gmail.com
                CC: blitzrakete at gmail.com, erik.pilkington at gmail.com,
                    llvm-bugs at lists.llvm.org, richard-llvm at metafoo.co.uk

Clang allows for nested template specialization, which is strictly speaking
non-standard, but when the main specialization has constrained arguments, the
parser dies with a segfault. Logs and stuff are attached.

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