#27772: Compile without warnings on GCC 8.2.0 with LTO enabled --------------------------+------------------------------------ Reporter: nickm | Owner: nickm Type: defect | Status: assigned Priority: Medium | Milestone: Tor: 0.3.5.x-final Component: Core Tor/Tor | Version: Severity: Normal | Resolution: Keywords: | Actual Points: Parent ID: | Points: Reviewer: | Sponsor: --------------------------+------------------------------------
Comment (by nickm): See my branch 'bug27772' with PR at https://github.com/torproject/tor/pull/356 . I haven't written a changes for this yet, because I'd like a reviewer's opinion on how many of these to backport how far. There are remaining warnings: I think there is some bug in GCC's LTO where it doesn't handle "#pragma diagnostic" properly -- since these are warnings we have explicitly suppressed in the code: {{{ src/lib/meminfo/meminfo.c: In function ‘tor_log_mallinfo’: src/lib/meminfo/meminfo.c:48:8: warning: function call has aggregate value [-Waggregate-return] mi = mallinfo(); ^ src/test/test_bt_cl.c: In function ‘crash’: src/test/test_bt_cl.c:43:24: warning: null pointer dereference [-Wnull- dereference] *(volatile int *)0 = 0; ^ }}} -- Ticket URL: <https://trac.torproject.org/projects/tor/ticket/27772#comment:2> Tor Bug Tracker & Wiki <https://trac.torproject.org/> The Tor Project: anonymity online
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