[LLVMbugs] [Bug 19781] New: Clang crashed while parsing __visibility__ attribute under arm-linux-gnueabihf

[bugzilla-daemon at llvm.org]

http://llvm.org/bugs/show_bug.cgi?id=19781

            Bug ID: 19781
           Summary: Clang crashed while parsing __visibility__ attribute
                    under arm-linux-gnueabihf
           Product: clang
           Version: trunk
          Hardware: PC
                OS: All
            Status: NEW
          Severity: normal
          Priority: P
         Component: C++
          Assignee: unassignedclangbugs at nondot.org
          Reporter: stpworld at narod.ru
                CC: dgregor at apple.com, llvmbugs at cs.uiuc.edu
    Classification: Unclassified

Bug has been discovered while compiling libcxx, I got next bunch of errors:

In file included from /home/ubuntu/projects/libcxx/include/sstream:174:
In file included from /home/ubuntu/projects/libcxx/include/ostream:131:
In file included from /home/ubuntu/projects/libcxx/include/ios:216:
In file included from /home/ubuntu/projects/libcxx/include/__locale:18:
In file included from /home/ubuntu/projects/libcxx/include/mutex:176:
In file included from /home/ubuntu/projects/libcxx/include/__mutex_base:16:
/home/ubuntu/projects/libcxx/include/system_error:396:33: error: '__do_message'
redeclared with
      'public' access
    friend class _LIBCPP_HIDDEN __do_message;
                                ^
Invalid access specifier!
UNREACHABLE executed at
/home/ubuntu/projects/toolchain/llvm.src/tools/clang/lib/AST/DeclCXX.cpp:2137!
Stack dump:
0.      Program arguments:
/home/ubuntu/projects/toolchain/llvm.obj/Release+Asserts/bin/clang -cc1 -triple
armv7-unknown-linux-gnueabihf -emit-obj -mrelax-all -disable-free
-main-file-name pairs.by.type.pass.cpp -mrelocation-model static
-mdisable-fp-elim -fmath-errno -masm-verbose -mconstructor-aliases
-fuse-init-array -target-cpu cortex-a8 -target-abi aapcs-linux -mfloat-abi hard
-target-linker-version 2.24 -resource-dir
/home/ubuntu/projects/toolchain/llvm.obj/Release+Asserts/bin/../lib/clang/3.5.0
-I /home/ubuntu/projects/libcxx/test/support -I
/home/ubuntu/projects/libcxx/include -internal-isystem /usr/local/include
-internal-isystem
/home/ubuntu/projects/toolchain/llvm.obj/Release+Asserts/bin/../lib/clang/3.5.0/include
-internal-externc-isystem /usr/include/arm-linux-gnueabihf
-internal-externc-isystem /include -internal-externc-isystem /usr/include
-std=c++11 -fdeprecated-macro -fdebug-compilation-dir
/home/ubuntu/projects/libcxx/test/utilities/utility/pairs/pair.astuple
-ferror-limit 19 -fmessage-length 95 -mstackrealign -fno-signed-char
-fobjc-runtime=gcc -fcxx-exceptions -fexceptions -fdiagnostics-show-option -o
/tmp/pairs-b28fc3.o -x c++ pairs.by.type.pass.cpp
1.      /home/ubuntu/projects/libcxx/include/system_error:396:45: current
parser token ';'
2.      /home/ubuntu/projects/libcxx/include/system_error:231:1
<Spelling=/home/ubuntu/projects/libcxx/include/__config:346:37>: parsing
namespace 'std'
3.      /home/ubuntu/projects/libcxx/include/system_error:231:1
<Spelling=/home/ubuntu/projects/libcxx/include/__config:346:59>: parsing
namespace '__1'
4.      /home/ubuntu/projects/libcxx/include/system_error:365:1: parsing
struct/union/class body 'error_category'
clang: error: unable to execute command: Aborted
clang: error: clang frontend command failed due to signal (use -v to see
invocation)
clang version 3.5.0 (trunk 208775) (llvm/trunk 208774)
Target: armv7l-unknown-linux-gnueabihf
Thread model: posix
clang: note: diagnostic msg: PLEASE submit a bug report to
http://llvm.org/bugs/ and include the crash backtrace, preprocessed source, and
associated run script.
clang: note: diagnostic msg: Error generating preprocessed source(s).
/home/ubuntu/projects/libcxx/test/utilities/utility/pairs/pair.astuple/pairs.by.type.pass.cpp
failed to compile
Compile line was: clang++ -std=c++11 -stdlib=libc++
-I/home/ubuntu/projects/libcxx/test/support
-I/home/ubuntu/projects/libcxx/include -L/home/ubuntu/projects/libcxx.build/lib
-L/home/ubuntu/projects/libcxxabi/lib -lc++abi <everything-that-uses
__mutex_base>.cpp

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