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from 4603642 [ARM] PR target/67929 Tighten vfp3_const_double_for_bits checks new 954a2b6 [optabs.c] Fix PR 67989: Handle const0_rtx target in expand_a [...]

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Summary of changes: gcc/ChangeLog | 9 +++++ gcc/optabs.c | 12 +++++-- gcc/testsuite/ChangeLog | 8 +++++ gcc/testsuite/g++.dg/pr67989.C | 75 ++++++++++++++++++++++++++++++++++++++++++ 4 files changed, 101 insertions(+), 3 deletions(-) create mode 100644 gcc/testsuite/g++.dg/pr67989.C