Version 7-2017-q4-major degrade cpu performance about 2.5 times
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genadi
My project with heavy FPU operations have problems with last gcc.
Old magic -flto -Ofast -fno-math-errno -funroll-loops -fgraphite-identity -ffunction-sections -fdata-sections -ffat-lto-objects can not help...
Similar problems on Cortex-A9 and Cortex-M7
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