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|Home > Migrating from RVCT v2.2 to RVCT v3.0 > Compiler changes between RVCT v2.2 and RVCT v3.0|
Various changes have been made to armcc in RVCT v3.0.
With the resolution of C++ core issue #446, temporaries are now created in some cases of conditional class rvalue expressions where they were not before.
Starting with RVCT v4.0 10Q1 (build 771) you can use the
--diag_warning=2817 command-line option to get a warning if this