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from 83a3fd9780 newlib/impure: sync with newlib(4.2.0) reent update add bcdd03cdf3 arm/backtrace: rename arm_backtrace_thumb.c to arm_backtrace_sp.c No new revisions were added by this update. Summary of changes: arch/arm/src/common/Make.defs | 2 +- arch/arm/src/common/arm_backtrace_fp.c | 3 - arch/arm/src/common/arm_backtrace_sp.c | 299 ++++++++++++++++ arch/arm/src/common/arm_backtrace_thumb.c | 558 ------------------------------ 4 files changed, 300 insertions(+), 562 deletions(-) create mode 100644 arch/arm/src/common/arm_backtrace_sp.c delete mode 100644 arch/arm/src/common/arm_backtrace_thumb.c