C++ rule on function-try-block

From:
muler <mulugeta.abebaw@gmail.com>
Newsgroups:
comp.lang.c++.moderated
Date:
Wed, 10 Nov 2010 11:30:18 CST
Message-ID:
<fd4a1fd7-49f1-4694-b971-16e2ffd772c8@d28g2000yqn.googlegroups.com>
Hi all,

[ISO/IEC 14882:1998] A function-try-block associates a handler-seq
with the ctor-initializer, if present, and the function-body. An
exception thrown during the execution of the initializer expressions
in the ctor-initializer **or during the execution of the function-body
transfers control to a handler in a function-try-block in the same way
as an exception thrown during the execution of a try-block transfers
control to other handlers.**

To demonstrate the statement in between **...**, I cooked up the
following example (using VC++2010):

Given:
=====

class GenericError {};
void Print(int x)
{
    if (x < 0) throw GenericError();
}

class X {
public:
    X();
};

Case 1: // no error executing this
=====
X::X()
{
    try
    {
        Print(-1);
    }
    catch(const GenericError& ge)
    {
    }
}

Case 2: // error while trying to execute this
======

X::X() try
{
    Print(-1);
}
catch(const GenericError& ge)
{
}

According to the standard, the behavior for Case 1 and Case 2 should
be the same, right? But it is not in VC++2010. Is this a compiler
issue or what?

Thanks,
Muler

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