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Chapter 4. Compiler and Tools

gcc-libraries rebased to version 7.2.1

The gcc-libraries packages have been updated to upstream version 7.2.1. This update adds the following enhancements:
  • The Fortran library has been added to enable running applications built with Red Hat Developer Toolset.
  • Support for certain DEC Fortran formatting extensions has been added to the Fortran library. (BZ#1465568, BZ#1554429)

Support for retpolines added to GCC

This update adds support for retpolines to GCC. Retpolines are a technique used by the kernel to reduce overhead of mitigating Spectre Variant 2 attacks described in CVE-2017-5715. (BZ#1535656, BZ#1553817)