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[lib/Support/YAMLTraits] - Don't print leading zeroes when dumping…

Authored by grimar on Nov 6 2020, 2:39 AM.

Description

[lib/Support/YAMLTraits] - Don't print leading zeroes when dumping Hex8/Hex16/Hex32 types.

When we produce an YAML output, we also print leading zeroes currently.
An output might look like this:

- Name:    .dynsym
  Type:    SHT_DYNSYM
  Address: 0x0000000000001000
  EntSize: 0x0000000000000018

There are probably no reason to print leading zeroes.
It just makes harder to read values. This patch stops printing them.
The output becomes like:

- Name:    .dynsym
  Type:    SHT_DYNSYM
  Address: 0x1000
  EntSize: 0x18

This affects obj2yaml mostly, but also dsymutil and llvm-xray tools output.

Differential revision: https://reviews.llvm.org/D90930