DWARF Standard


190809.1 Tom Tromey Standardize DW_AT_GNU_bias Enhancement Open Brock Wyma

Section 5.13, pg 129

In Ada, a scalar can be given a biased representation in some cases.
For example, a scalar with a range of -7..-4 could be stored using 2 bits 
with a bias of -7.

GCC implements the DW_AT_GNU_bias extension to handle this case.
See https://gcc.gnu.org/wiki/DW_AT_GNU_bias

I think it would be good to standardize this.

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