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[PATCH, CPP/23827] standard C++ should not have hex float preprocessing tokens


This old one says the C++98 ANSI doesn't have hex float literals and should error gracefully. Fixed by changing a language feature flag as suggested by the audit trail and by adding an error message.

Built and tested on x86_64-linux.

OK?

Attachment: CL_pr23827
Description: Text document

Attachment: patch_pr23827_3
Description: Text document


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