Got Make to SEGV in gdb, but don't know what to do about it

[Jonathan Kamens]

I duplicated the Make SEGV problem and got gdb to pop up in the
running Make process, but I don't see anything in any of the threads
that gives me any clues about how to proceed.  Any suggestions?

  Program received signal SIGSEGV, Segmentation fault.
  [Switching to thread 1036.0x4e0]
  (gdb) thread apply all where

  Thread 4 (thread 1036.0x4e0):
  #0  0x77f9eeaa in _cygheap_start ()
  #1  0x77ea8983 in _cygheap_start ()
  #2  0x77e837cd in _cygheap_start ()

  Thread 3 (thread 1036.0x49c):
  #0  0x77f820f0 in _cygheap_start ()
  #1  0x77e8366e in _cygheap_start ()
  #2  0x77e860c6 in _cygheap_start ()
  #3  0x61004f7a in thread_stub (arg=0x6109ca38)
      at ../../../../src/winsup/cygwin/debug.cc:97
  #4  0x77e837cd in _cygheap_start ()

  Thread 2 (thread 1036.0x44c):
  #0  0x77f820f0 in _cygheap_start ()
  #1  0x77e8366e in _cygheap_start ()
  #2  0x77e860c6 in _cygheap_start ()
  #3  0x61004f7a in thread_stub (arg=0x6109ca38)
      at ../../../../src/winsup/cygwin/debug.cc:97
  #4  0x77e837cd in _cygheap_start ()

  Thread 1 (thread 1036.0x3d0):
  #0  0x40d5ef in _size_of_heap_reserve__ ()
  Cannot access memory at address 0x100000
  #0  0x77f9eeaa in _cygheap_start ()
  (gdb)