http://llvm.org/bugs/show_bug.cgi?id=20064
Bug ID: 20064
Summary: "hex sequence out of range" error prevents valid code
from building
Product: clang
Version: trunk
Hardware: All
OS: All
Status: NEW
Severity: normal
Priority: P
Component: -New Bugs
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected]
Classification: Unclassified
This piece of code fails to build with clang:
memcmp(magic,"\xFD7z",3);
clang (correctly) complains about "\xFD7" being a hex escape sequence out of
range -- but there is no "\xFD7" sequence involved here - what the code means
(and what gcc takes it to mean) is check for \xFD followed by the string 7z.
Probably the error should be downgraded to a warning because it's entirely
possible that someone actually meant "\xFD7" to be a 0xfd7 hex sequence - but
it should do what the code means to do anyway.
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