https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65813
Bug ID: 65813
Summary: GO: bug347.go segment violation on S390x
Product: gcc
Version: 5.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: go
Assignee: ian at airs dot com
Reporter: vogt at linux dot vnet.ibm.com
CC: cmang at google dot com
With current code from gcc_5_branch, the Go test bug347.go crashes by
dereferencing a null pointer:
-- snip --
$ gdb ./bug347.x
(gdb) run
Starting program: /home/vogt/src/git/gcc/build-go/gcc/testsuite/go/bug347.x
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib64/libthread_db.so.1".
[New Thread 0x3fffaaa5910 (LWP 47868)]
[New Thread 0x3fffbba5910 (LWP 47867)]
Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 0x3fffaaa5910 (LWP 47868)]
0x00000000800019b8 in main.f ()
at /home/vogt/src/git/gcc/gcc/testsuite/go.test/test/fixedbugs/bug347.go:22
22 case <-t.c: // THIS IS LINE 22
(gdb) bt
#0 0x00000000800019b8 in main.f ()
at /home/vogt/src/git/gcc/gcc/testsuite/go.test/test/fixedbugs/bug347.go:22
#1 0x0000000080001a8c in main.main ()
at /home/vogt/src/git/gcc/gcc/testsuite/go.test/test/fixedbugs/bug347.go:48
(gdb) p main.t
$1 = (struct {...} *) 0x0
-- snip --
It just dumps a core file and never calls the defered function (GOTRACEBACK is
not set).
