[CLANG] Increase default value for -ftemplate-depth to 1024
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This is a backport from llvm revision 278983: "PR18417: Increase -ftemplate-depth to the value 1024 recommended by the C++ standard's Annex B" Motivation: the current template instantiation depth limit (256) makes it impossible to move-construct std::tuple's of size equal or greater than 17.
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This was referenced Nov 24, 2017
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This is a backport from llvm revision 278983:
"PR18417: Increase -ftemplate-depth to the value 1024 recommended
by the C++ standard's Annex B"
Motivation: the current template instantiation depth limit (256) makes
it impossible to move-construct std::tuple's of size equal or greater than 17.
Thanks @vgvassilev for pointing me to the right llvm patch.