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tcwg-buildslave pushed a change to branch linaro-local/ci/tcwg_gcc_check/master-arm in repository toolchain/ci/gcc.

from 02aedc6f269 [nvptx] Initialize ptx regs adds ce09ab17ddd aarch64: Add compiler support for Shadow Call Stack adds a7eeaa48986 runtime/internal/syscall: build dummy package if not Linux

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Summary of changes: gcc/config/aarch64/aarch64.cc | 113 ++++++++++++++++----- gcc/config/aarch64/aarch64.h | 21 +++- gcc/config/aarch64/aarch64.md | 10 ++ gcc/doc/invoke.texi | 30 ++++++ gcc/doc/tm.texi | 5 + gcc/doc/tm.texi.in | 2 + gcc/flag-types.h | 2 + gcc/go/gofrontend/MERGE | 2 +- gcc/opts.cc | 4 +- gcc/target.def | 8 ++ .../gcc.target/aarch64/shadow_call_stack_1.c | 6 ++ .../gcc.target/aarch64/shadow_call_stack_2.c | 6 ++ .../gcc.target/aarch64/shadow_call_stack_3.c | 45 ++++++++ .../gcc.target/aarch64/shadow_call_stack_4.c | 20 ++++ .../gcc.target/aarch64/shadow_call_stack_5.c | 18 ++++ .../gcc.target/aarch64/shadow_call_stack_6.c | 18 ++++ .../gcc.target/aarch64/shadow_call_stack_7.c | 18 ++++ .../gcc.target/aarch64/shadow_call_stack_8.c | 24 +++++ gcc/toplev.cc | 10 ++ gcc/ubsan.cc | 4 +- libgo/go/runtime/internal/syscall/syscall_other.go | 7 ++ 21 files changed, 338 insertions(+), 35 deletions(-) create mode 100644 gcc/testsuite/gcc.target/aarch64/shadow_call_stack_1.c create mode 100644 gcc/testsuite/gcc.target/aarch64/shadow_call_stack_2.c create mode 100644 gcc/testsuite/gcc.target/aarch64/shadow_call_stack_3.c create mode 100644 gcc/testsuite/gcc.target/aarch64/shadow_call_stack_4.c create mode 100644 gcc/testsuite/gcc.target/aarch64/shadow_call_stack_5.c create mode 100644 gcc/testsuite/gcc.target/aarch64/shadow_call_stack_6.c create mode 100644 gcc/testsuite/gcc.target/aarch64/shadow_call_stack_7.c create mode 100644 gcc/testsuite/gcc.target/aarch64/shadow_call_stack_8.c create mode 100644 libgo/go/runtime/internal/syscall/syscall_other.go