Recommended update for gcc48


This update for gcc48 fixes the following issues:

Added support for generation of retpolines on x86_64. [bnc#1074621]

This support is used for building the Linux Kernel with retpoline support
to mitigate the Spectre Variant 2 attack.

New compiler options have been added to specify specific code generation:

* -mindirect-branch=keep
* -mindirect-branch=thunk
* -mindirect-branch=thunk-extern
* -mindirect-branch=thunk-inline
* -mindirect-branch-register
* -mfunction-return=keep
* -mfunction-return=thunk
* -mfunction-return=thunk-extern
* -mfunction-return=thunk-inline

This update was imported from the SUSE:SLE-12:Update update project.

Fixed bugs
bnc#1074621
VUL-0: gcc: retpoline fixes for speculative side channel attacks on various CPU platforms aka "SpectreAttack" and "MeltdownAttack"
Selected Binaries
::import::i586::gcc48-gij-32bit ::import::i586::gcc48-gij-debuginfo-32bit ::import::i586::libgcj48-32bit ::import::i586::libgcj48-debuginfo-32bit ::import::i586::libgcj48-devel-32bit ::import::i586::libgcj48-devel-debuginfo-32bit _buildenv _statistics cpp48 cpp48-debuginfo cross-aarch64-gcc48-icecream-backend cross-armv6hl-gcc48-icecream-backend cross-armv7hl-gcc48-icecream-backend cross-i386-gcc48-icecream-backend cross-ia64-gcc48-icecream-backend cross-ppc-gcc48-icecream-backend cross-ppc64-gcc48-icecream-backend cross-ppc64le-gcc48-icecream-backend cross-s390-gcc48-icecream-backend cross-s390x-gcc48-icecream-backend cross-x86_64-gcc48-icecream-backend gcc48 gcc48-32bit gcc48-ada gcc48-ada-32bit gcc48-ada-debuginfo gcc48-c++ gcc48-c++-debuginfo gcc48-debuginfo gcc48-debugsource gcc48-fortran gcc48-fortran-32bit gcc48-fortran-debuginfo gcc48-gij gcc48-gij-32bit gcc48-gij-64bit gcc48-gij-debuginfo gcc48-gij-debuginfo-32bit gcc48-gij-debuginfo-64bit gcc48-info gcc48-java gcc48-java-debuginfo gcc48-locale gcc48-obj-c++ gcc48-obj-c++-debuginfo gcc48-objc gcc48-objc-32bit gcc48-objc-debuginfo gcc48-testresults libada48 libada48-32bit libada48-32bit-debuginfo libada48-debuginfo libasan0 libasan0-32bit libasan0-32bit-debuginfo libasan0-debuginfo libffi4-gcc48 libffi4-gcc48-32bit libffi4-gcc48-32bit-debuginfo libffi4-gcc48-debuginfo libffi48 libffi48-debugsource libffi48-devel libffi48-devel-32bit libgcj48 libgcj48-32bit libgcj48-64bit libgcj48-debuginfo libgcj48-debuginfo-32bit libgcj48-debuginfo-64bit libgcj48-debugsource libgcj48-devel libgcj48-devel-32bit libgcj48-devel-64bit libgcj48-devel-debuginfo libgcj48-devel-debuginfo-32bit libgcj48-devel-debuginfo-64bit libgcj48-jar libgcj_bc1 libgcj_bc1-gcc48 libobjc4 libobjc4-32bit libobjc4-32bit-debuginfo libobjc4-debuginfo libstdc++48-devel libstdc++48-devel-32bit libstdc++48-doc
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