[Bug binutils/26424] New: UBSAN error: bfd/elf32-arm.c:10755:30:

[mliska at suse dot cz]

https://sourceware.org/bugzilla/show_bug.cgi?id=26424

            Bug ID: 26424
           Summary: UBSAN error: bfd/elf32-arm.c:10755:30:
           Product: binutils
           Version: 2.34
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: binutils
          Assignee: unassigned at sourceware dot org
          Reporter: mliska at suse dot cz
  Target Milestone: ---

The following fails when I build binutils with:
configure --build=x86_64-linux --disable-nls --disable-gdb --disable-gdbserver
--disable-sim --disable-readline --disable-libdecnumber --enable-obsolete
--target=arm-elf CFLAGS="-g -O2 -fsanitize=address,undefined -Wno-error"
CXXLAGS="-g -O2 -fsanitize=address,undefined -Wno-error" LDFLAGS="-ldl"
Target: arm-elf
FAIL: ld-arm/thumb2-bl-undefweak1
Executing on host: sh -c {./ld-new  
-L/home/mliska/Programming/binutils/ld/testsuite/ld-arm  -Ttext 0x10000
--defsym target=0xc000 -e0 --emit-relocs -o tmpdir/dump tmpdir/emit-relocs1.o 
2>&1}  /dev/null dump.tmp (timeout = 300)
/home/mliska/Programming/binutils/bfd/elf32-arm.c:10755:30: runtime error: left
shift of negative value -2

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