[llvm-bugs] [Bug 33449] New: segfault parsing invalid structured bindings range-for loop

via llvm-bugs llvm-bugs at lists.llvm.org
Tue Jun 13 23:13:10 PDT 2017


            Bug ID: 33449
           Summary: segfault parsing invalid structured bindings range-for
           Product: clang
           Version: 4.0
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P
         Component: Frontend
          Assignee: unassignedclangbugs at nondot.org
          Reporter: danny at nerdcruft.net
                CC: llvm-bugs at lists.llvm.org

Created attachment 18634
  --> https://bugs.llvm.org/attachment.cgi?id=18634&action=edit
reduced test case

When parsing an (invalid) function definition which includes a fragment with a
range-based for loop using structure bindings clang++-4.0 reports a segfault
after accurately reporting various syntax errors.

Attached a reduced testcase, with backtrace and run scripts to follow.

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