https://bugs.llvm.org/show_bug.cgi?id=40414
Bug ID: 40414
Summary: [ThinLTO] Missing vtable COMDAT symbol after r347948
Product: new-bugs
Version: 7.0
Hardware: PC
OS: Windows NT
Status: NEW
Severity: enhancement
Priority: P
Component: new bugs
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected], [email protected],
[email protected], [email protected]
Blocks: 40331
After r350948, a Win64 Firefox ThinLTO build fails with:
LLVM ERROR: Associative COMDAT symbol '??_7KeywordsSink@?A0x23271001@@6B@' does
not exist
(aka const `anonymous namespace'::KeywordsSink::`vftable')
Notably it started failing at r350948 and not r340949. I would have thought the
first patch of that pair was pretty innocuous.
Our flags do not include any of: -f[no]split-lto-unit, -fsanitize=cfi, or
-fwhole-program-vtables.
In case it's a clue, the KeywordsSink class is only used within a single
translation unit: https://searchfox.org/mozilla-central/search?q=KeywordsSink
I'm requesting this to be an 8.0.0 blocker as this build config worked for us
in 7.0.1.
I can provide a linkrepro upon request though I'm not sure if that would be
sufficient to investigate this. Let me know if I can help with the debug
somehow. Thanks!
Referenced Bugs:
https://bugs.llvm.org/show_bug.cgi?id=40331
[Bug 40331] [meta] 8.0.0 Release Blockers
--
You are receiving this mail because:
You are on the CC list for the bug._______________________________________________
llvm-bugs mailing list
[email protected]
http://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-bugs
