Upstream commit: 09085ede12fb9650f286bdcd805609ae69f80618 - nptl: Fix stack guard size accounting (#1527887) - Remove invalid Obsoletes: on glibc-header provides - Require python3 instead of python during builds - math: ldbl-128ibm lrintl/lroundl missing "invalid" exceptions (swbz#22690) - x86-64: Add sincosf with vector FMA
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