new C++ EH code: builtin or not? g++ can't decide...

[Phil Edwards <pedwards at disaster dot jaj dot com>]

I'm seeing a warning that I could swear wasn't there before, during building
of libsupc++:

    exception_support.cc: In function `cp_eh_info* __start_cp_handler()':
    exception_support.cc:124: warning: new declaration
        `cp_eh_info* __start_cp_handler()'
    exception_support.cc:124: warning: ambiguates built-in declaration
        `cp_eh_info* __start_cp_handler()'

Looks like cp/except.c builds a library call to __start_cp_handler to do
the work; when the library function actually gets built later on a warning
is generated because the function name already appears in the compiler.


Phil

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