A list of bug fixes for the compiler and linker can be found in the Symbian_x86_BuildTools_Notes.txt file located in the <Carbide_Install_Dir>\x86Build\Release_Notes directory.
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int old_fn () __attribute__ ((deprecated));
int (*fn_ptr)() = old_fn;
foo.cpp:2: warning: `old_fn' is deprecated (declared at foo.cpp:1)