@@ -230,7 +230,7 @@ unsigned hex2bin(const T ch) {
     return 10 + (ch - 'A');
   if (ch >= 'a' && ch <= 'f')
     return 10 + (ch - 'a');
-  return static_cast<unsigned>(-1);
+  UNREACHABLE();
 }
 
 std::string PercentDecode(const char* input, size_t len) {
Original file line number	Diff line number	Diff line change
`@@ -230,7 +230,7 @@ unsigned hex2bin(const T ch) {`
`230`	`230`	`return 10 + (ch - 'A');`
`231`	`231`	`if (ch >= 'a' && ch <= 'f')`
`232`	`232`	`return 10 + (ch - 'a');`
`233`		`- return static_cast<unsigned>(-1);`
	`233`	`+ UNREACHABLE();`
`234`	`234`	`}`
`235`	`235`
`236`	`236`	`std::string PercentDecode(const char* input, size_t len) {`