[Mesa-dev] [Bug 97420] "#version 0" crashes glsl_compiler

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=97420

            Bug ID: 97420
           Summary: "#version 0" crashes glsl_compiler
           Product: Mesa
           Version: git
          Hardware: All
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: glsl-compiler
          Assignee: mesa-dev at lists.freedesktop.org
          Reporter: karolherbst at gmail.com
        QA Contact: intel-3d-bugs at lists.freedesktop.org

Created attachment 125920
  --> https://bugs.freedesktop.org/attachment.cgi?id=125920&action=edit
vertex shader

mesa-git-a2ae67aa47df6dd41802462105dac7ce5ab676a2

attached vertex shader crashes glsl_compiler with SIGSEGV

backtrace:
#0  glcpp_error (locp=locp at entry=0x0, parser=parser at entry=0x9b8290,
fmt=fmt at entry=0x743998 "Redefinition of macro %s\n") at
../../../src/compiler/glsl/glcpp/pp.c:35
#1  0x000000000064ffda in _define_object_macro (replacements=0x9b89c0,
identifier=0x7439b2 "__VERSION__", loc=0x0, parser=0x9b8290) at
../../../src/compiler/glsl/glcpp/glcpp-parse.y:2104
#2  add_builtin_define (parser=parser at entry=0x9b8290, name=name at entry=0x7439b2
"__VERSION__", value=value at entry=110) at
../../../src/compiler/glsl/glcpp/glcpp-parse.y:1334
#3  0x000000000065599e in _glcpp_parser_handle_version_declaration
(explicitly_set=false, es_identifier=0x0, version=110, parser=0x9b8290) at
../../../src/compiler/glsl/glcpp/glcpp-parse.y:2312
#4  glcpp_parser_resolve_implicit_version (parser=0x9b8290) at
../../../src/compiler/glsl/glcpp/glcpp-parse.y:2356
#5  0x00000000005e6a8c in glcpp_preprocess
(ralloc_ctx=ralloc_ctx at entry=0x9b7610, shader=shader at entry=0x7fffffffd3a8,
info_log=info_log at entry=0x9b78b8, 
    extensions=extensions at entry=0x44de40
<add_builtin_defines(_mesa_glsl_parse_state*, void (*)(glcpp_parser*, char
const*, int), glcpp_parser*, unsigned int, bool)>, state=state at entry=0x9b7610, 
    gl_ctx=gl_ctx at entry=0x979aa0 <standalone_compile_shader::local_ctx>) at
../../../src/compiler/glsl/glcpp/pp.c:233
#6  0x000000000045b9d0 in _mesa_glsl_compile_shader (ctx=ctx at entry=0x979aa0
<standalone_compile_shader::local_ctx>, shader=shader at entry=0x9b6910,
dump_ast=<optimized out>, dump_hir=<optimized out>)
    at ../../../src/compiler/glsl/glsl_parser_extras.cpp:1846
#7  0x000000000040e170 in compile_shader (shader=0x9b6910, ctx=0x979aa0
<standalone_compile_shader::local_ctx>) at
../../../src/compiler/glsl/standalone.cpp:282
#8  standalone_compile_shader (_options=_options at entry=0x979a50 <options>,
num_files=num_files at entry=1, files=<optimized out>) at
../../../src/compiler/glsl/standalone.cpp:386
#9  0x0000000000409045 in main (argc=<optimized out>, argv=0x7fffffffd598) at
../../../src/compiler/glsl/main.cpp:91

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