[Bug gold/14342] [gold] symbol 'std::__once_callable' used as both __thread and non-__thread

[hubicka at ucw dot cz]

http://sourceware.org/bugzilla/show_bug.cgi?id=14342

--- Comment #5 from hubicka at ucw dot cz ---
> I thought GNU ld didn't have this bug, but I'll check.
It reproduced for me for both GNU ld and gold in the latest release version.

The testcase seen by GCC may be different from normal file, since libgcov is
runtime
library (there is some magic of passing it down to linker and allow new
references
to it to be born at LTO plugin).  The way to disable workaround I put in place
in mainline GCC is to
turn flag_lto into 0 in all occurences in tree-profile.c
It should trigger failure of ./gcc.dg/tree-prof/crossmodule-indircall-1.c

Honza

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