Remove redundant emptiness check from genericParseNumber
When the 'start == ptr' condition was reached we could be sure that we
had already consumed at least one character - one of '.' or '0'-'9' or
whitespace (potentially also '+'/'-' as a prefix) - and that even holds
true moving the definition of |start| after consuming any leading
whitespace. The reason for this is the up-front check for any character
in the set '0'-'9' or '.'.
Remove the redundant checks - replacing them with an assert - while
moving the definition of |start| so that it doesn't point before any
leading whitespace.
BUG=231612
Review URL: https://codereview.chromium.org/1582813003
Cr-Commit-Position: refs/heads/master@{#369292}
1 file changed
