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disable overlay warning for specific functions

I have four functions that the linker gives me the warning:

*** WARNING L16: UNCALLED SEGMENT, IGNORED FOR OVERLAY PROCESS
    SEGMENT: ?PR?UART_RX_ISR_STUB?ISR

*** WARNING L16: UNCALLED SEGMENT, IGNORED FOR OVERLAY PROCESS
    SEGMENT: ?PR?TIMER0_ISR_STUB?ISR

*** WARNING L16: UNCALLED SEGMENT, IGNORED FOR OVERLAY PROCESS
    SEGMENT: ?PR?TIMER2_ISR_STUB?ISR

*** WARNING L16: UNCALLED SEGMENT, IGNORED FOR OVERLAY PROCESS
    SEGMENT: ?PR?ASDC0_ISR_STUB?ISR

These functions are not called within my application project. They *ARE* called from the bootloader project via a function pointer. Both projects are in non-overlapped CODE memory.

So how do I turn off these warnings for these segments/functions only?

I absolutely want the compiler to warn me about all other uncalled segments.

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