Problem when using optimization on aix 5.2 and gcc 4.1.1

[CyberGuy]

I had almost the same problem - including the bad cast - on AIX 5.2 and gcc
4.1.1.

My application uses pthreads.

My application packags up the libraries it needs to execute - and I was
using 
/usr/local/lib/libstdc++.a  when I really wanted
/usr/local/lib/pthread/libstdc++.a

You can see the path to the correct libraries with the commands I use below:

On my machine,     gcc -v   returns:                            
Using built-in specs.
Target: powerpc-ibm-aix5.2.0.0
Configured with: ../gcc-4.1.1/configure --disable-aix64 --disable-nls
Thread model: aix
gcc version 4.1.1


The command       gcc -pthread -print-file-name=libstdc++.a

returns 

/usr/local/lib/gcc/powerpc-ibm-aix5.2.0.0/4.1.1/../../../pthread/libstdc++.a

This is the threaded version that I needed


The command       gcc  -print-file-name=libstdc++.a
returns

/usr/local/lib/gcc/powerpc-ibm-aix5.2.0.0/4.1.1/../../../libstdc++.a

This is the unthreaded version I was using initially...

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