http://llvm.org/bugs/show_bug.cgi?id=16609
Bug ID: 16609
Summary: Expressions which result in bitfields are not properly
promoted
Product: clang
Version: unspecified
Hardware: PC
OS: Linux
Status: NEW
Severity: normal
Priority: P
Component: C++
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected], [email protected]
Classification: Unclassified
Created attachment 10876
--> http://llvm.org/bugs/attachment.cgi?id=10876&action=edit
Code sample which should print 'signed' but prints 'unsigned'
While the direct addition of a bitfield and a signed integer correctly results
in a signed integer, an expression which yields a bitfield, as the conditional
operator is defined to if its operands are bitfields, has an extraneous
LValueToRValue conversion in the AST and casts the unsigned bitfield result to
an unsigned int before addition, resulting in an unsigned int instead of the
signed int expected by bitfield promotion rules.
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