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Previously, the unreachable code paths would have to be tagged with:
INSIST(0);
ISC_UNREACHABLE();
There was also older parts of the code that used comment annotation:
/* NOTREACHED */
Unify the handling of unreachable code paths to just use:
UNREACHABLE();
The UNREACHABLE() macro now asserts when reached and also uses
__builtin_unreachable(); when such builtin is available in the compiler.
(cherry picked from commit
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| autoconf | ||
| cvs-usage | ||
| DBC | ||
| dev.md | ||
| HOW-ADB-WORKS.txt | ||
| magic_numbers | ||
| rdata.md | ||
| release | ||
| results | ||
| style.md | ||
| tests | ||
| unexpected | ||