[llvm-bugs] [Bug 39311] New: Clang parser crashes on invalid input with typo suggestions on assertion "queried property of class with no definition"

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=39311

            Bug ID: 39311
           Summary: Clang parser crashes on invalid input with typo
                    suggestions on assertion "queried property of class
                    with no definition"
           Product: clang
           Version: trunk
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: Frontend
          Assignee: unassignedclangbugs at nondot.org
          Reporter: orivej at gmx.fr
                CC: llvm-bugs at lists.llvm.org

This invalid input crashes "clang++ -c input.cpp":

     template <T> f() { class ClassA class : ClassB, ClassA

It is necessary for "ClassA" and "ClassB" names to be similar enough to trigger
the typo suggestion and the crash. This affects all versions of Clang, from 
3.7 to trunk (r344434).

This bug is different from https://bugs.llvm.org/show_bug.cgi?id=12777 which is
no longer reproducible.

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