[committed] use byte_representation instead of string_constant (PR 96670)
Tue Aug 18 18:53:18 GMT 2020
The recent enhancement to memchr/memcmp folding introduced two bugs
(that I know of). The attached patch fixes the one where a call to
the string_constant function that would previously be guaranteed to
succeed now fails as a result of the function only handling strings
and not other types. The unexpected failure triggers an ICE down
the line. I have committed the bootstrapped/regtested one-line
patch in r11-2742.
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