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nested class and -O option make Undefs
From: |
Christophe Delarue |
Subject: |
nested class and -O option make Undefs |
Date: |
5 Dec 2001 02:17:09 -0800 |
I've got class definition inside a method implementation like :
class Foo {
public:
Foo();
};
class Virtual {
public:
virtual void execute() = 0;
};
Foo::Foo()
{
class Lambda : public Virtual {
public:
void execute(){}
} ;
Lambda l;
l.execute();
}
If I compile my code with -O option :
/opt/exp/gnu/bin/g++ -O -g toto.cc -c -o toto.o
rnbl927:/work/Exe/cpu/target/SimulationMiddleware/obj_sun> g++
--version
2.95.2
rnbl927:/work/Exe/cpu/target/SimulationMiddleware/obj_sun> g++ -O
~/temp/toto.cc -g -c ; nm toto.o | c++filt
00000000 a *ABS*
00000028 t Letext
00000010 T Foo::Foo(void)
00000000 ? __FRAME_BEGIN__
00000000 t __Q33Foo8__3Foo.0_6Lambda.4
U __rtti_si
U __rtti_user
00000000 W Foo::__3Foo.0::Lambda type_info function
00000008 C Virtual type_info node
0000000c C Foo::__3Foo.0::Lambda type_info node
00000000 V Foo::__3Foo.0::Lambda virtual table
U execute__Q33Foo8__3Foo.0_6Lambda.3
NOTE the undef on Lambda::execute.
I'am on a solaris : uname -a = SunOS rnbl715 5.6 Generic_105181-12
sun4u sparc
BTW the c++filt do not demangle correctly Lambda::execute.
thank's for any workaround
... Seems to work fine on 3.0.2
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