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10599
This ensures that you have no unresolved references to internal GCC
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(An example of such an internal subroutine is @code{__main}, used to ensure C++
10592
constructors are called; @pxref{Collect2,,@code{collect2}, gccint,
10602
constructors are called; @pxref{Collect2,,@code{collect2}, @value{fngccint},
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GNU Compiler Collection (GCC) Internals}.)