RFR: 8319165: hsdis binutils: warns on empty string as option string [v3]

[Robbin Ehn]

> Hi, please consider.
> 
> insn_options[0] is set to empty string if there is no options (NULL or empty strings).
> Checking it for empty string should cover both cases, caller option is NULL or caller option is empty string.
> 
> Tested hsdis no longer gives me the warning.

Robbin Ehn has updated the pull request incrementally with one additional commit since the last revision:

  Update src/utils/hsdis/binutils/hsdis-binutils.c
  
  Co-authored-by: Andrew Haley <aph-open at littlepinkcloud.com>

-------------

Changes:
  - all: https://git.openjdk.org/jdk/pull/16433/files
  - new: https://git.openjdk.org/jdk/pull/16433/files/94ccd7f9..150c42a2

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=16433&range=02
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=16433&range=01-02

  Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 mod
  Patch: https://git.openjdk.org/jdk/pull/16433.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/16433/head:pull/16433

PR: https://git.openjdk.org/jdk/pull/16433