[Mesa-dev] [Bug 92850] Segfault loading War Thunder

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=92850

--- Comment #47 from higuita at gmx.net ---
well, I also having crash in warthunder... i'm using slackware64, kernel 4.3.0
llvm 3.7.0 and mesa 11.1-rc2 and after applying the patch from Bug 92709 to fix
the "unsupported call to function ldexpf in main" and recompile, it crash with
a core dump, with this backtrace:

Program terminated with signal SIGSEGV, Segmentation fault.
#0  0x00007f401499ae18 in glsl_to_tgsi_visitor::visit(ir_expression*) () from
/usr/lib64/xorg/modules/dri/radeonsi_dri.so
[Current thread is 1 (Thread 0x7f401a951700 (LWP 20315))]
(gdb) bt
#0  0x00007f401499ae18 in glsl_to_tgsi_visitor::visit(ir_expression*) () from
/usr/lib64/xorg/modules/dri/radeonsi_dri.so
#1  0x00007f401499ada9 in glsl_to_tgsi_visitor::visit(ir_expression*) () from
/usr/lib64/xorg/modules/dri/radeonsi_dri.so
#2  0x00007f401499186c in glsl_to_tgsi_visitor::try_emit_mad(ir_expression*,
int) () from /usr/lib64/xorg/modules/dri/radeonsi_dri.so
#3  0x00007f401499af50 in glsl_to_tgsi_visitor::visit(ir_expression*) () from
/usr/lib64/xorg/modules/dri/radeonsi_dri.so
#4  0x00007f401499ada9 in glsl_to_tgsi_visitor::visit(ir_expression*) () from
/usr/lib64/xorg/modules/dri/radeonsi_dri.so
Backtrace stopped: Cannot access memory at address 0x7f401a906318


LIBGL_DEBUG=verbose don't show anything special

If i also recompile with the -O0, it works, so looks now i'm hitting this bug.
I'm using gcc 5.2.0

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