Updating SVN tree U gcc/doc/extend.texi U gcc/c/ChangeLog U gcc/c/c-decl.c U gcc/ChangeLog A gcc/testsuite/gcc.target/riscv/flattened-struct-abi-1.c A gcc/testsuite/gcc.target/riscv/flattened-struct-abi-2.c U gcc/testsuite/g++.old-deja/g++.brendan/err-msg5.C A gcc/testsuite/gcc.dg/enum-redef-1.c U gcc/testsuite/gcc.dg/pr79983.c U gcc/testsuite/ChangeLog A gcc/testsuite/g++.dg/warn/Wsign-conversion-5.C U gcc/testsuite/g++.dg/parse/friend7.C U gcc/testsuite/g++.dg/parse/dtor5.C U gcc/testsuite/g++.dg/cpp0x/enum20.C A gcc/testsuite/g++.dg/cpp1y/constexpr-79520.C A gcc/testsuite/g++.dg/cpp2a/inline-asm3.C U gcc/testsuite/g++.dg/other/friend3.C U gcc/testsuite/g++.dg/template/error22.C U gcc/cp/typeck.c U gcc/cp/decl.c U gcc/cp/constexpr.c U gcc/cp/ChangeLog U gcc/config/riscv/riscv.c U gcc/config/rs6000/dfp.md Updated to revision 274220. Adjusting file timestamps