f504ca457f
An invalid substitution like ${var@} does not cause a parse error but is
stored in the intermediate representation, to be written as part of the
error message. If there is a CTL* byte in the stored part, this confuses
some code such as the code to skip an unused alternative such as in
${var-alternative}.
To keep things simple, do not store CTL* bytes.
Found with afl-fuzz.
MFC after: 1 week
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| .. | ||
| builtins | ||
| errors | ||
| execution | ||
| expansion | ||
| parameters | ||
| parser | ||
| set-e | ||
| functional_test.sh | ||
| Makefile | ||