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unknown user pushed a change to branch releases/gcc-10 in repository gcc.

from 283367662c2 arm: Fix PCS for SFmode -> SImode libcalls [PR99748] new 9db2c895fe2 remove write-only array in rev_post_order_and_mark_dfs_back_seme new ec97d2e8420 Compute RPO with adjacent SCC members, expose toplevel SCC extents new 6c6a1173ccc tree-optimization/98736 - use programing order preserved RP [...]

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Summary of changes: gcc/cfganal.c | 436 +++++++++++++++++++++----- gcc/cfganal.h | 3 +- gcc/testsuite/gcc.c-torture/execute/pr98736.c | 14 + gcc/testsuite/gcc.dg/torture/20200727-0.c | 82 +++++ gcc/tree-loop-distribution.c | 12 +- gcc/tree-ssa-sccvn.c | 55 +--- 6 files changed, 475 insertions(+), 127 deletions(-) create mode 100644 gcc/testsuite/gcc.c-torture/execute/pr98736.c create mode 100644 gcc/testsuite/gcc.dg/torture/20200727-0.c