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from 8c00059ce05 c++: decl_constant_value and unsharing [PR96197] new 3e61a205633 Compute RPO with adjacent SCC members, expose toplevel SCC extents new 1212cfad093 Improve var-tracking dataflow iteration order new 072a8b8fb6e AArch64: Add attributes according to flags in built-in func [...] new bc2b1a232b1 libgcov: support overloaded malloc new 10231958fcf middle-end/96369 - fix missed short-circuiting during range [...] new 8bd062e8ad4 Do not allocate huge array in output_in_order. new 89db36b05ea libstdc++: Add PR number to ChangeLog entry new c89366b12ff vect: Don't consider branch costs if no peeled iterations new 14c35be3bf4 Amend match.pd syntax with force-simplified results new c6ef9d8d3f1 debug/96383 - emit debug info for used external functions

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Summary of changes: gcc/c-family/c-common.c | 17 + gcc/c-family/c-common.h | 2 + gcc/c/c-objc-common.h | 2 + gcc/cfganal.c | 433 +++++++++++++++++---- gcc/cfganal.h | 3 +- gcc/cgraph.h | 2 - gcc/cgraphunit.c | 166 ++++---- gcc/config/aarch64/aarch64-builtins.c | 121 +++++- gcc/cp/cp-objcp-common.h | 2 + gcc/doc/match-and-simplify.texi | 15 + gcc/fold-const.c | 7 + gcc/gcov-io.h | 3 + gcc/genmatch.c | 19 +- gcc/langhooks-def.h | 5 +- gcc/langhooks.c | 14 + gcc/langhooks.h | 3 + gcc/testsuite/c-c++-common/pr96369.c | 12 + gcc/testsuite/gcc.dg/debug/dwarf2/pr96383-1.c | 17 + gcc/testsuite/gcc.dg/debug/dwarf2/pr96383-2.c | 17 + gcc/testsuite/gcc.dg/torture/20200727-0.c | 82 ++++ .../gcc.dg/tree-prof/indir-call-prof-malloc.c | 49 +++ .../gcc.target/aarch64/sve/cost_model_2.c | 2 +- gcc/tree-ssa-sccvn.c | 55 +-- gcc/tree-vect-loop.c | 16 +- gcc/var-tracking.c | 274 +++++++------ libgcc/libgcov-driver.c | 6 + libgcc/libgcov.h | 49 ++- libstdc++-v3/ChangeLog | 1 + libstdc++-v3/testsuite/20_util/assume_aligned/3.cc | 2 +- 29 files changed, 1051 insertions(+), 345 deletions(-) create mode 100644 gcc/testsuite/c-c++-common/pr96369.c create mode 100644 gcc/testsuite/gcc.dg/debug/dwarf2/pr96383-1.c create mode 100644 gcc/testsuite/gcc.dg/debug/dwarf2/pr96383-2.c create mode 100644 gcc/testsuite/gcc.dg/torture/20200727-0.c create mode 100644 gcc/testsuite/gcc.dg/tree-prof/indir-call-prof-malloc.c