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cmake: fix build with GCC's UBSan GNU GCC compiler has UndefinedBehaviour sanitizer support since 4.9.0 [1], but it was unsupported in tarantool's build. The patch fixes a build by GNU GCC with enabled UBSan. 1. https://gcc.gnu.org/gcc-4.9/changes.html NO_CHANGELOG=build NO_DOC=build NO_TEST=build (cherry picked from commit 511e0f50e)
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The file "src/lib/msgpuck/msgpuck.h" isn't available on github. Either it's been removed, or the repo root directory needs to be updated.