Bug 56934

First bad commit:
0d61f879a1f2e6bb37368731a29d5267e1c25195
Author: Brian Paul <brianp@vmware.com>
Date:   Sun Nov 4 16:43:44 2012 -0700

    mesa: assert that key->fragprog_inputs_read value isn't too large
    
    fragprog_inputs_read is a 12-bit bitfield so check the assigned value.
    MSVC warns on the assignment.  Not easy to fix but let's do a sanity check.
    
    Reviewed-by: Jose Fonseca <jfonseca@vmware.com>


#0  0x0000003843035925 in raise () from /lib64/libc.so.6
#1  0x00000038430370d8 in abort () from /lib64/libc.so.6
#2  0x000000384302e6a2 in __assert_fail_base () from /lib64/libc.so.6
#3  0x000000384302e752 in __assert_fail () from /lib64/libc.so.6
#4  0x00007ffff6783901 in make_state_key (key=0x7fffffffd640, ctx=0x7e8290) at ../../../src/mesa/main/ffvertex_prog.c:164
#5  _mesa_get_fixed_func_vertex_program (ctx=ctx@entry=0x7e8290) at ../../../src/mesa/main/ffvertex_prog.c:1669
#6  0x00007ffff67d4152 in update_program (ctx=0x7e8290) at ../../../src/mesa/main/state.c:197
#7  _mesa_update_state_locked (ctx=ctx@entry=0x7e8290) at ../../../src/mesa/main/state.c:557
#8  0x00007ffff67d4341 in _mesa_update_state (ctx=0x7e8290) at ../../../src/mesa/main/state.c:588
#9  0x00007ffff6747cf0 in _mesa_Clear (mask=16640) at ../../../src/mesa/main/clear.c:178
#10 0x00007ffff7ae20d0 in stub_glClear (mask=16640) at /home/Paulie/piglit/tests/util/generated_dispatch.c:1696
#11 0x00000000004ce6c8 in GLEAN::GLSLTest::testProgram (this=0x7b1380, p=...) at /home/Paulie/piglit/tests/glean/tglsl1.cpp:4754
#12 0x00000000004cebf2 in GLEAN::GLSLTest::runOne (this=0x7b1380, r=..., w=...) at /home/Paulie/piglit/tests/glean/tglsl1.cpp:4843
#13 0x000000000049ec2d in GLEAN::BaseTest<GLEAN::MultiTestResult>::run (this=0x7b1380, environment=...)
    at /home/Paulie/piglit/tests/glean/tbase.h:337
#14 0x0000000000496615 in main (argc=10, argv=0x7fffffffe0c8) at /home/Paulie/piglit/tests/glean/main.cpp:141