From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 26286 invoked by alias); 8 Mar 2015 15:41:56 -0000 Mailing-List: contact gcc-bugs-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Id: List-Archive: List-Post: List-Help: Sender: gcc-bugs-owner@gcc.gnu.org Received: (qmail 26235 invoked by uid 48); 8 Mar 2015 15:41:51 -0000 From: "doko at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug go/65349] New: [5 Regression] go tool crashes, can't compile go code on 32bit linux systems Date: Sun, 08 Mar 2015 15:41:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: new X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: go X-Bugzilla-Version: 5.0 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: doko at gcc dot gnu.org X-Bugzilla-Status: UNCONFIRMED X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: ian at airs dot com X-Bugzilla-Target-Milestone: --- X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: bug_id short_desc product version bug_status bug_severity priority component assigned_to reporter cc Message-ID: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/ Auto-Submitted: auto-generated MIME-Version: 1.0 X-SW-Source: 2015-03/txt/msg00837.txt.bz2 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65349 Bug ID: 65349 Summary: [5 Regression] go tool crashes, can't compile go code on 32bit linux systems Product: gcc Version: 5.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: go Assignee: ian at airs dot com Reporter: doko at gcc dot gnu.org CC: cmang at google dot com The go command didn't ship with earlier GCC versions, so you may argue that it is not a regression, however a go command backported from 1.2.2 was able to build code with 4.9 on at least arm-linux-gnueabihf, powerpc-linux-gnu and i686-linux-gnu. Double-checked that the backported go command built with 5.0 shows the same failure. This seems to work on architectures like aarch64-linux-gnu, powerpc64le-linux-gnu and x86_64-linux-gnu. On these architectures I see for "go -v on powerpc-linux-gnu (not on armhf and i386) building go-md2man https://launchpad.net/ubuntu/+source/go-md2man/1-2ubuntu2 fatal error: freeing too small block goroutine 16 [running]: runtime_dopanic ../../../src/libgo/runtime/panic.c:131 runtime_throw ../../../src/libgo/runtime/panic.c:193 __go_free ../../../src/libgo/runtime/malloc.goc:354 __go_map_rehash ../../../src/libgo/runtime/go-map-index.c:66 __go_map_index ../../../src/libgo/runtime/go-map-index.c:120 main.$nested26 ../../src/gotools/../libgo/go/cmd/go/main.go:565 filepath.walk ../../../src/libgo/go/path/filepath/path.go:347 filepath.walk ../../../src/libgo/go/path/filepath/path.go:372 path_filepath.Walk ../../../src/libgo/go/path/filepath/path.go:394 main.matchPackages ../../src/gotools/../libgo/go/cmd/go/main.go:544 main.allPackages ../../src/gotools/../libgo/go/cmd/go/main.go:481 main.importPaths ../../src/gotools/../libgo/go/cmd/go/main.go:329 main.packagesAndErrors ../../src/gotools/../libgo/go/cmd/go/pkg.go:902 main.packages ../../src/gotools/../libgo/go/cmd/go/pkg.go:883 main.runList ../../src/gotools/../libgo/go/cmd/go/list.go:175 main.main ../../src/gotools/../libgo/go/cmd/go/main.go:163 runtime_main ../../../src/libgo/runtime/proc.c:550 panic during panic goroutine 16 [running]: runtime_dopanic ../../../src/libgo/runtime/panic.c:131 runtime_startpanic ../../../src/libgo/runtime/panic.c:100 runtime_throw ../../../src/libgo/runtime/panic.c:191 runtime_mallocgc ../../../src/libgo/runtime/malloc.goc:116 __go_alloc ../../../src/libgo/runtime/malloc.goc:321 callback ../../../src/libgo/runtime/go-caller.c:50 dwarf_lookup_pc ../../../src/libbacktrace/dwarf.c:2838 dwarf_fileline ../../../src/libbacktrace/dwarf.c:2877 backtrace_pcinfo ../../../src/libbacktrace/fileline.c:176 __go_file_line ../../../src/libgo/runtime/go-caller.c:137 runtime_printcreatedby ../../../src/libgo/runtime/proc.c:613 runtime_dopanic ../../../src/libgo/runtime/panic.c:132 runtime_throw ../../../src/libgo/runtime/panic.c:193 __go_free ../../../src/libgo/runtime/malloc.goc:354 __go_map_rehash ../../../src/libgo/runtime/go-map-index.c:66 __go_map_index ../../../src/libgo/runtime/go-map-index.c:120 main.$nested26 ../../src/gotools/../libgo/go/cmd/go/main.go:565 filepath.walk ../../../src/libgo/go/path/filepath/path.go:347 filepath.walk ../../../src/libgo/go/path/filepath/path.go:372 path_filepath.Walk ../../../src/libgo/go/path/filepath/path.go:394 main.matchPackages ../../src/gotools/../libgo/go/cmd/go/main.go:544 main.allPackages ../../src/gotools/../libgo/go/cmd/go/main.go:481 main.importPaths ../../src/gotools/../libgo/go/cmd/go/main.go:329 main.packagesAndErrors ../../src/gotools/../libgo/go/cmd/go/pkg.go:902 main.packages ../../src/gotools/../libgo/go/cmd/go/pkg.go:883 main.runList ../../src/gotools/../libgo/go/cmd/go/list.go:175 main.main ../../src/gotools/../libgo/go/cmd/go/main.go:163 runtime_main ../../../src/libgo/runtime/proc.c:550 stack trace unavailable on powerpc building nuntium: fatal error: freeing too small block goroutine 16 [running]: runtime_dopanic ../../../src/libgo/runtime/panic.c:131 runtime_throw ../../../src/libgo/runtime/panic.c:193 __go_free ../../../src/libgo/runtime/malloc.goc:354 __go_map_rehash ../../../src/libgo/runtime/go-map-index.c:66 __go_map_index ../../../src/libgo/runtime/go-map-index.c:120 main.$nested26 ../../src/gotools/../libgo/go/cmd/go/main.go:565 filepath.walk ../../../src/libgo/go/path/filepath/path.go:347 filepath.walk ../../../src/libgo/go/path/filepath/path.go:372 path_filepath.Walk ../../../src/libgo/go/path/filepath/path.go:394 main.matchPackages ../../src/gotools/../libgo/go/cmd/go/main.go:544 main.allPackages ../../src/gotools/../libgo/go/cmd/go/main.go:481 main.importPaths ../../src/gotools/../libgo/go/cmd/go/main.go:329 main.packagesAndErrors ../../src/gotools/../libgo/go/cmd/go/pkg.go:902 main.packages ../../src/gotools/../libgo/go/cmd/go/pkg.go:883 main.runList ../../src/gotools/../libgo/go/cmd/go/list.go:175 main.main ../../src/gotools/../libgo/go/cmd/go/main.go:163 runtime_main ../../../src/libgo/runtime/proc.c:550 panic during panic goroutine 16 [running]: runtime_dopanic ../../../src/libgo/runtime/panic.c:131 runtime_startpanic ../../../src/libgo/runtime/panic.c:100 runtime_throw ../../../src/libgo/runtime/panic.c:191 runtime_mallocgc ../../../src/libgo/runtime/malloc.goc:116 __go_alloc ../../../src/libgo/runtime/malloc.goc:321 callback ../../../src/libgo/runtime/go-caller.c:50 dwarf_lookup_pc ../../../src/libbacktrace/dwarf.c:2838 dwarf_fileline ../../../src/libbacktrace/dwarf.c:2877 backtrace_pcinfo ../../../src/libbacktrace/fileline.c:176 __go_file_line ../../../src/libgo/runtime/go-caller.c:137 runtime_printcreatedby ../../../src/libgo/runtime/proc.c:613 runtime_dopanic ../../../src/libgo/runtime/panic.c:132 runtime_throw ../../../src/libgo/runtime/panic.c:193 __go_free ../../../src/libgo/runtime/malloc.goc:354 __go_map_rehash ../../../src/libgo/runtime/go-map-index.c:66 __go_map_index ../../../src/libgo/runtime/go-map-index.c:120 main.$nested26 ../../src/gotools/../libgo/go/cmd/go/main.go:565 filepath.walk ../../../src/libgo/go/path/filepath/path.go:347 filepath.walk ../../../src/libgo/go/path/filepath/path.go:372 path_filepath.Walk ../../../src/libgo/go/path/filepath/path.go:394 main.matchPackages ../../src/gotools/../libgo/go/cmd/go/main.go:544 main.allPackages ../../src/gotools/../libgo/go/cmd/go/main.go:481 main.importPaths ../../src/gotools/../libgo/go/cmd/go/main.go:329 main.packagesAndErrors ../../src/gotools/../libgo/go/cmd/go/pkg.go:902 main.packages ../../src/gotools/../libgo/go/cmd/go/pkg.go:883 main.runList ../../src/gotools/../libgo/go/cmd/go/list.go:175 main.main ../../src/gotools/../libgo/go/cmd/go/main.go:163 runtime_main ../../../src/libgo/runtime/proc.c:550 stack trace unavailable