Updating SVN tree U libstdc++-v3/include/std/optional U libstdc++-v3/include/c_global/cmath U libstdc++-v3/ChangeLog A libstdc++-v3/testsuite/20_util/optional/assignment/7.cc A libstdc++-v3/testsuite/20_util/optional/observers/6.cc U gcc/tree-vrp.c U gcc/doc/extend.texi U gcc/c-family/c.opt U gcc/c-family/c-opts.c U gcc/c-family/ChangeLog U gcc/DATESTAMP U gcc/builtins.c U gcc/ChangeLog U gcc/testsuite/gcc.target/i386/avx512cd-check.h U gcc/testsuite/gcc.target/i386/adx-check.h U gcc/testsuite/gcc.target/i386/pr77756.c U gcc/testsuite/gcc.target/i386/avx512ifma-check.h U gcc/testsuite/gcc.target/i386/avx512f-check.h U gcc/testsuite/gcc.target/i386/avx512vl-check.h U gcc/testsuite/gcc.target/i386/avx512dq-check.h U gcc/testsuite/gcc.target/i386/avx512er-check.h U gcc/testsuite/gcc.target/i386/avx2-check.h U gcc/testsuite/gcc.target/i386/avx512bw-check.h U gcc/testsuite/gcc.target/i386/avx512vbmi-check.h U gcc/testsuite/gcc.dg/pic-2.c A gcc/testsuite/gcc.dg/pr77407.c A gcc/testsuite/gcc.dg/pr55152.c A gcc/testsuite/gcc.dg/torture/pr77768.c U gcc/testsuite/gcc.dg/tree-ssa/phi-opt-5.c A gcc/testsuite/gcc.dg/tree-ssa/forwprop-35.c U gcc/testsuite/gcc.dg/pic-1.c U gcc/testsuite/ChangeLog U gcc/testsuite/g++.dg/parse/linkage2.C U gcc/testsuite/g++.dg/parse/register1.C U gcc/testsuite/g++.dg/cpp0x/constexpr-array-ptr10.C U gcc/testsuite/g++.dg/cpp0x/fallthrough2.C U gcc/testsuite/g++.dg/cpp0x/constexpr-nullptr-1.C U gcc/testsuite/g++.dg/eh/pr29166.C U gcc/testsuite/g++.dg/torture/pr36826.C A gcc/testsuite/g++.dg/cpp1z/register1.C A gcc/testsuite/g++.dg/cpp1z/register3.C A gcc/testsuite/g++.dg/cpp1z/register2.C U gcc/testsuite/g++.dg/lto/pr69589_0.C U gcc/testsuite/g++.dg/warn/register-var-2.C U gcc/testsuite/g++.dg/warn/register-parm-1.C U gcc/testsuite/g++.dg/compat/struct-layout-1_generate.c A gcc/testsuite/objc/execute/construct1.m U gcc/testsuite/c-c++-common/vector-subscript-2.c U gcc/testsuite/c-c++-common/vector-subscript-5.c U gcc/testsuite/c-c++-common/Wvarargs.c U gcc/testsuite/c-c++-common/Wvarargs-2.c U gcc/testsuite/c-c++-common/pr27336.c U gcc/cp/decl.c U gcc/cp/rtti.c U gcc/cp/except.c U gcc/cp/ChangeLog U gcc/dwarf2out.c U gcc/match.pd U gcc/genattrtab.c U gcc/print-rtl.h U gcc/tree-ssa-phiopt.c U gcc/tree-ssa-pre.c U gcc/tree-ssa-forwprop.c G gcc/Makefile.in U gcc/config/i386/cpuid.h U gcc/config/i386/driver-i386.c U gcc/config/rs6000/rs6000.c U gcc/config/arm/vfp.md U gcc/config/arm/arm.md A gcc/print-rtl-function.c Updated to revision 240647. Adjusting file timestamps