[Bug 1522422] Re: Update to php 7.0

[Nish Aravamudan]

> > Re: xdebug segfaults
> 
> I just updated xdebug to rc4 today - retry with that. I had some users reporting the segfaults in rc3 but fixed in git.

Yeah, I actually built RC4 myself last night to test and it didn't seem
to make any difference. Note that I'm using the pkg-php-tools from
http://anonscm.debian.org/cgit/pkg-php/pkg-php-
tools.git/log/?h=master-7.0, but I don't think the issue should be
there, but in xdebug itself.

Here's the debug I've gotten so far. The segfault is line 1150 in
xdebug_stack.c:

                } else if (edata && edata->prev_execute_data &&
edata->prev_execute_data->opline &&
edata->prev_execute_data->opline->opcode == ZEND_INCLUDE_OR_EVAL) {

I added some manual debugging (as I learn how to build non-optimized
versions of packages) and got:

edata = 0x7f5b23214030
edata = 0x7f5b23214220
edata->prev_execute_data = 0x7f5b232141b0
edata = 0x7f5b23214380
edata->prev_execute_data = 0x7f5b23214310
edata = 0x7f5b23214850
edata->prev_execute_data = 0x7f5b232147e0
edata->prev_execute_data->opline = 0x7f5b2328d500
Usage:
    pkgtools COMMAND

Options:
    --help: print help
    -h: print help
    --verbose: increase verbosity
    -v: increase verbosity
    --sourcedirectory: set source directory
    -D: set source directory

Commands:
  : Without arguments: print help
edata = 0x7f5b23215000
edata->prev_execute_data = 0x7f5b23214f90
edata->prev_execute_data->opline = 0x3
Segmentation fault (core dumped)

Seems like prev_execute_data is corrupt?

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https://bugs.launchpad.net/bugs/1522422

Title:
  Update to php 7.0

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