http://llvm.org/bugs/show_bug.cgi?id=9651
Summary: -Wshift-overflow should show the shift result in hex
Product: clang
Version: trunk
Platform: All
OS/Version: All
Status: NEW
Severity: enhancement
Priority: P
Component: Frontend
AssignedTo: [email protected]
ReportedBy: [email protected]
CC: [email protected]
-Wshift-overflow is awesome. There's room for improving its message though.
Example:
foo.cc:2908:58: error: shift result (36893488143124135936) requires 66
bits to represent, but 'long long' only has 64 bits [-Werror,-Wshift-overflow]
Knowing the value in decimal isn't very helpful here. Since 'shift' means
'multiply/divide by power of 2', we should print the shift result in hex such
that the user can easily see what the bits are.
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