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`goto' and Destructors in GNU C++
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In C++ programs, you can safely use the `goto' statement. When you
use it to exit a block which contains aggregates requiring destructors,
the destructors will run before the `goto' transfers control. (In ANSI
C++, `goto' is restricted to targets within the current block.)
The compiler still forbids using `goto' to *enter* a scope that
requires constructors.