[LLVMbugs] [Bug 2628] New: Valgrind detected invalid read during llvm-gcc bootstrap

[bugzilla-daemon at cs.uiuc.edu]

http://llvm.org/bugs/show_bug.cgi?id=2628

           Summary: Valgrind detected invalid read during llvm-gcc bootstrap
           Product: new-bugs
           Version: unspecified
          Platform: Other
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: P2
         Component: new bugs
        AssignedTo: unassignedbugs at nondot.org
        ReportedBy: baldrick at free.fr
                CC: llvmbugs at cs.uiuc.edu


Invalid read of size 1
   at 0xB5319B: _cpp_convert_input (charset.c:1695)
   by 0xB5BC91: read_file_guts (files.c:590)
   by 0xB5BD43: read_file (files.c:617)
   by 0xB5BE85: should_stack_file (files.c:666)
   by 0xB5C0AF: _cpp_stack_file (files.c:744)
   by 0xB5C4F1: _cpp_stack_include (files.c:872)
   by 0xB54229: do_include_common (directives.c:765)
   by 0xB54260: do_include (directives.c:776)
   by 0xB53AC5: _cpp_handle_directive (directives.c:484)
   by 0xB60E6F: _cpp_lex_token (lex.c:900)
   by 0xB65895: cpp_get_token (macro.c:1102)
   by 0x40A66D: c_lex_with_flags (c-lex.c:404)
 Address 0x66d2d5f is 1 bytes before a block of size 1 alloc'd
   at 0x4C26A81: realloc (vg_replace_malloc.c:429)
   by 0x115D0C0: xrealloc (xmalloc.c:179)
   by 0xB53186: _cpp_convert_input (charset.c:1689)
   by 0xB5BC91: read_file_guts (files.c:590)
   by 0xB5BD43: read_file (files.c:617)
   by 0xB5BE85: should_stack_file (files.c:666)
   by 0xB5C0AF: _cpp_stack_file (files.c:744)
   by 0xB5C4F1: _cpp_stack_include (files.c:872)
   by 0xB54229: do_include_common (directives.c:765)
   by 0xB54260: do_include (directives.c:776)
   by 0xB53AC5: _cpp_handle_directive (directives.c:484)
   by 0xB60E6F: _cpp_lex_token (lex.c:900)

This was while executing:

   gcc-4.2.llvm-objects/./prev-gcc/cc1
   -quiet
   -I.
   -I.
   -I../../gcc-4.2.llvm/gcc
   -I../../gcc-4.2.llvm/gcc/.
   -I../../gcc-4.2.llvm/gcc/../include
   -I../../gcc-4.2.llvm/gcc/../libcpp/include
   -I../../gcc-4.2.llvm/gcc/../libdecnumber
   -I../libdecnumber
   -Illvm-objects/include
   -Illvm.top/llvm/include
   -Illvm-objects/../llvm/include
   -iprefix
   gcc-4.2.llvm-objects/prev-gcc/../lib/gcc/x86_64-unknown-linux-gnu/4.2.1/
   -isystem
   gcc-4.2.llvm-objects/./prev-gcc/include
   -DIN_GCC
   -DHAVE_CONFIG_H
   -DENABLE_LLVM
   -D_DEBUG
   -D_GNU_SOURCE
   -D__STDC_LIMIT_MACROS
   -DSTANDARD_STARTFILE_PREFIX="../../../"
   -DSTANDARD_EXEC_PREFIX="/usr/local/gnat-llvm/lib/gcc/"
   -DSTANDARD_LIBEXEC_PREFIX="/usr/local/gnat-llvm/libexec/gcc/"
   -DDEFAULT_TARGET_VERSION="4.2.1"
   -DDEFAULT_TARGET_MACHINE="x86_64-unknown-linux-gnu"
   -DSTANDARD_BINDIR_PREFIX="/usr/local/gnat-llvm/bin/"
   -DTOOLDIR_BASE_PREFIX="../../../../"
   ../../gcc-4.2.llvm/gcc/gcc.c
   -quiet
   -dumpbase
   gcc.c
   -mtune=generic
   -auxbase-strip
   gcc.o
   -g
   -O2
   -W
   -Wall
   -Wwrite-strings
   -Wstrict-prototypes
   -Wmissing-prototypes
   -pedantic
   -Wno-long-long
   -Wno-variadic-macros
   -Wno-overlength-strings
   -Wold-style-definition
   -Wmissing-format-attribute
   -fno-common
   -o
   /tmp/cco2SriU.s


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