[LLVMbugs] [Bug 21418] longjmp fails if no variable in calling thread in this ugly code

[bugzilla-daemon at llvm.org]

http://llvm.org/bugs/show_bug.cgi?id=21418

Richard Smith <richard-llvm at metafoo.co.uk> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
                 CC|                            |richard-llvm at metafoo.co.uk
         Resolution|---                         |INVALID

--- Comment #1 from Richard Smith <richard-llvm at metafoo.co.uk> ---
The call to longjmp(*environment1, 1) in co2 terminates the execution of co2.
The subsequent call to longjmp(*environment2, 1) in co1 has undefined behavior
because it would jump into a function execution that has already terminated.

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