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Message-ID:	<002101bf1fc4$a53a5da0$030110b0@wales.dev.dwl.co.uk>
From:	"Andreas Damm" <dammy AT dwl DOT co DOT uk>
To:	<cygwin AT sourceware DOT cygnus DOT com>
Subject:	dllimport whole classes
Date:	Tue, 26 Oct 1999 16:13:22 +0100
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I am using Mumit Khan's cygwin gcc-2.95 update to compile a dll containing c++
classes. Building the dll works fine using __attribute__((dllexport)) (after I
updated to Mumit's version to fix the multiple copies of inline functions bug).
Unfortunatly, when compiling code that uses those classes, i.e. tagging the
class __attribute__((dllimport)) I get:

test.cpp:13: Internal compiler error, output_operand_lossage `invalid expression
 as operand'

Here is the source of test.cpp:

class __attribute__((dllimport)) FOO
{
public:
    virtual void foo();
};

void foo()
{
    FOO f;

    f.foo();
}

It only seems to happen if FOO contains virtual functions, i.e. making FOO::foo
non-virtual will work.



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