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stannard
2017 Jul 29
2
Storing "blockaddress(@function, %block)" in a global variable?
...>
void Foo() { std::cout << ""; }
% clang++ -fsanitize-coverage=inline-8bit-counters,pc-table cout.cpp -O1
fatal error: error in backend: Undefined temporary symbol
(the error message was added in
http://llvm.org/viewvc/llvm-project?view=revision&revision=253328 by Oliver
Sstannard, CC-ed)
The error comes from lib/MC/ELFObjectWriter.cpp
and it disappears with -O0 or -O2 or -no-integrated-as
Thanks!
--kcc
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