Fix compilation in c++1z#34
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olk merged 1 commit intoboostorg:developfrom Oct 2, 2016
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invoke() could resolve to both boost::context::detail::invoke and std::invoke because of ADL, which would result in an ambiguous call error
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thx - I'll add defect macro for boost.config regrading to std::invoke() soon |
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…LF/GAS) The AArch64 fcontext trampolines (jump_fcontext, make_fcontext, ontop_fcontext) are indirect-entry-points. On BTI-enforcing systems they must begin with a BTI or the first resume can trap with SIGILL. Insert `bti c` (hint boostorg#34) at each entry under `__ARM_FEATURE_BTI_DEFAULT`, and emit `GNU_PROPERTY_AARCH64_FEATURE_1_BTI` from each AArch64 assembly file so linkers map the DSO with PROT_BTI without requiring -z force-bti. Scope: ELF/GAS AArch64 trampolines only; +4 bytes per entry Fixes boostorg#308
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invoke() could resolve to both boost::context::detail::invoke and std::invoke
because of ADL, which would result in an ambiguous call error
This patch was tested on debian unstable, with gcc 6.2 and clang 3.9. Also, I didn't test the patch in this repository but directly on boost 1.61, but it should be safe enough.