On Monday 19 February 2018 09:59 PM, Siddhesh Poyarekar wrote: > The C++ frontend generates a break that results in the fallthrough > warning misfiring in nested switch blocks where cases in the inner > switch block return, rendering the break pointless. The fallthrough > detection in finish_break_stmt does not work either because the > condition is encoded as an IF_STMT and not a COND_EXPR. > > Fix this by adding a condition for IF_STMT in the > langhooks.block_may_fallthru for C++. Fix tested on x86_64. Full > testsuite run is in progress.
Now confirmed that the patch does not introduce any new regressions. Siddhesh
