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unknown user pushed a change to branch master in repository gcc.

from fac24d43e68 Revert "libstdc++: Export global iostreams with GLIBCXX_3.4 [...] new 210617b53ee Transform more gmp/mpfr uses to use RAII new 4c9f8cd6943 Fix pointer sharing in Value_Range constructor.

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Summary of changes: gcc/builtins.cc | 4 +--- gcc/real.cc | 22 +++++----------------- gcc/realmpfr.h | 1 + gcc/system.h | 1 + gcc/tree-ssa-loop-niter.cc | 29 ++++++++--------------------- gcc/ubsan.cc | 9 ++++----- gcc/value-range.h | 2 +- 7 files changed, 21 insertions(+), 47 deletions(-)