[PATCH] riscv: eliminate unreliable __builtin_frame_address(1)

[Andreas Schwab]

On Jan 19 2022, Jessica Clarke wrote:

> Leaf functions by definition don’t have callees that are trying to read
> their frame pointer so aren’t relevant here.

??? __builtin_frame_address(1) is about the caller, not the callee.

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Andreas Schwab, schwab at linux-m68k.org
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