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

from 92f4797ac64 Darwin : Make trampoline templates linker-visible. new b1c3f26297f collect2: Fix missing cleanups. new e1533cab245 Darwin, crts: Build Darwin10 unwinder shim as a library. new f7351aae824 libstdc++, testsuite: Add a prune expression for external t [...] new ded0a33b1ae Darwin: Revise handling of some driver opts. new dbdaf3fa2d7 libgcc, emutls: Allow building weak definitions of the emut [...] new bf41b26f589 Darwin: Rework handling for unwinder code in libgcc_s and s [...] new cfad91385ae Darwin, rs6000: Amend lo_sum use for forced constants [PR104117]. new b6a762bf464 Darwin, X86: Adjust call clobbers to allow for lazy-binding [...] new acd300cfdc4 Objective-C: fix crash with -fobjc-nilcheck new dac09c72904 Darwin, testsuite : Prune 'object file not found for object'. new 1badc4b94e4 add missing dg-require alias to gcc.dg/torture/pr100786.c new 3b0ee45cf6b libstdc++, testsuite, Darwin : Adjust for names used in sys [...] new 16db663772c IPA: Provide a mechanism to register static DTORs via cxa_atexit.

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Summary of changes: gcc/collect2.c | 7 +- gcc/config/darwin-driver.c | 56 +-- gcc/config/darwin.c | 24 -- gcc/config/darwin.h | 423 +++++++++++++-------- gcc/config/darwin.opt | 159 ++------ gcc/config/i386/darwin.h | 37 +- gcc/config/i386/darwin32-biarch.h | 26 -- gcc/config/i386/darwin64-biarch.h | 26 -- gcc/config/i386/i386-expand.c | 16 +- gcc/config/rs6000/darwin.md | 19 +- gcc/config/rs6000/predicates.md | 14 + gcc/config/rs6000/rs6000.c | 40 +- gcc/doc/tm.texi | 8 + gcc/doc/tm.texi.in | 2 + gcc/ipa.c | 200 +++++++++- gcc/objc/objc-act.c | 16 +- gcc/objc/objc-next-runtime-abi-02.c | 22 +- gcc/target.def | 10 + .../gcc.dg/torture/fp-int-convert-timode-3.c | 1 - .../gcc.dg/torture/fp-int-convert-timode-4.c | 1 - gcc/testsuite/gcc.dg/torture/pr100786.c | 1 + gcc/testsuite/lib/prune.exp | 3 + gcc/testsuite/obj-c++.dg/pr101666-0.mm | 7 + gcc/testsuite/obj-c++.dg/pr101666-1.mm | 10 + gcc/testsuite/obj-c++.dg/pr101666.inc | 29 ++ gcc/testsuite/objc.dg/pr101666-0.m | 7 + gcc/testsuite/objc.dg/pr101666-1.m | 10 + gcc/testsuite/objc.dg/pr101666.inc | 29 ++ libgcc/config.host | 18 +- libgcc/config/darwin-unwind.ver | 30 ++ libgcc/config/i386/darwin-lib.h | 9 +- libgcc/config/i386/libgcc-darwin.10.4.ver | 98 ----- libgcc/config/i386/libgcc-darwin.10.5.ver | 102 ----- libgcc/config/i386/libgcc-darwin.ver | 4 + libgcc/config/i386/t-darwin | 6 + libgcc/config/libgcc-libsystem.ver | 38 +- libgcc/config/rs6000/libgcc-darwin.10.4.ver | 93 ----- libgcc/config/rs6000/libgcc-darwin.10.5.ver | 106 ------ libgcc/config/rs6000/t-darwin | 3 + libgcc/config/rs6000/t-darwin-ehs | 3 + libgcc/config/t-darwin | 41 +- libgcc/config/t-darwin-ehs | 7 + libgcc/config/t-slibgcc-darwin | 199 ++++++---- libgcc/emutls.c | 17 +- libstdc++-v3/testsuite/17_intro/names.cc | 5 + libstdc++-v3/testsuite/lib/prune.exp | 5 +- 46 files changed, 1041 insertions(+), 946 deletions(-) create mode 100644 gcc/testsuite/obj-c++.dg/pr101666-0.mm create mode 100644 gcc/testsuite/obj-c++.dg/pr101666-1.mm create mode 100644 gcc/testsuite/obj-c++.dg/pr101666.inc create mode 100644 gcc/testsuite/objc.dg/pr101666-0.m create mode 100644 gcc/testsuite/objc.dg/pr101666-1.m create mode 100644 gcc/testsuite/objc.dg/pr101666.inc create mode 100644 libgcc/config/darwin-unwind.ver delete mode 100644 libgcc/config/i386/libgcc-darwin.10.4.ver delete mode 100644 libgcc/config/i386/libgcc-darwin.10.5.ver create mode 100644 libgcc/config/i386/libgcc-darwin.ver delete mode 100644 libgcc/config/rs6000/libgcc-darwin.10.4.ver delete mode 100644 libgcc/config/rs6000/libgcc-darwin.10.5.ver create mode 100644 libgcc/config/rs6000/t-darwin-ehs create mode 100644 libgcc/config/t-darwin-ehs