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

from 2cfa4f5 Merge from trunk revision 244947. new ac1a55b Merge in changes from gofrontend repository that are not in G [...]

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Summary of changes: gcc/go/go-backend.c | 2 +- gcc/go/go-gcc.cc | 11 + gcc/go/gofrontend/backend.h | 5 + gcc/go/gofrontend/export.cc | 8 +- gcc/go/gofrontend/export.h | 6 +- gcc/go/gofrontend/expressions.cc | 30 +- gcc/go/gofrontend/expressions.h | 5 +- gcc/go/gofrontend/gogo.cc | 2 +- gcc/go/gofrontend/statements.cc | 4 + gcc/go/gofrontend/types.cc | 7 +- libgo/Makefile.am | 2 +- libgo/Makefile.in | 35 +- libgo/go/runtime/debug.go | 4 +- libgo/go/runtime/os_gccgo.go | 4 + libgo/go/runtime/panic.go | 5 - libgo/go/runtime/pprof/mprof_test.go | 6 +- libgo/go/runtime/proc.go | 1147 ++++++++++++++++++++++++++++++++- libgo/go/runtime/runtime2.go | 10 +- libgo/go/runtime/signal_sighandler.go | 6 +- libgo/go/runtime/signal_unix.go | 2 +- libgo/go/runtime/stubs.go | 86 +-- libgo/go/runtime/symtab.go | 6 + libgo/runtime/go-breakpoint.c | 17 - libgo/runtime/go-callers.c | 20 +- libgo/runtime/go-libmain.c | 1 + libgo/runtime/go-main.c | 1 + libgo/runtime/malloc.h | 4 +- libgo/runtime/mgc0.c | 16 +- libgo/runtime/mheap.c | 70 +- libgo/runtime/proc.c | 999 +++------------------------- libgo/runtime/runtime.h | 65 +- libgo/runtime/runtime_c.c | 37 -- libgo/runtime/thread-linux.c | 8 +- libgo/runtime/thread-sema.c | 9 +- 34 files changed, 1419 insertions(+), 1221 deletions(-) delete mode 100644 libgo/runtime/go-breakpoint.c