[Bug binutils/28569] New: UBSAN error: libbacktrace/elf.c:3835:29:

[mliska at suse dot cz]

https://sourceware.org/bugzilla/show_bug.cgi?id=28569

            Bug ID: 28569
           Summary: UBSAN error: libbacktrace/elf.c:3835:29:
           Product: binutils
           Version: 2.38 (HEAD)
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: binutils
          Assignee: unassigned at sourceware dot org
          Reporter: mliska at suse dot cz
  Target Milestone: ---

UBSAN error: /home/mliska/Programming/binutils-gdb/libbacktrace/elf.c:3835:29: 
The following fails when I build binutils with:
configure --build=x86_64-linux --disable-gdb --disable-gdbserver
--enable-obsolete --target=aarch64-elf CFLAGS="-g -O2
-fsanitize=address,undefined -Wno-error" CXXLAGS="-g -O2
-fsanitize=address,undefined -Wno-error" LDFLAGS="-ldl"
Target: aarch64-elf
FAIL: symver symver14
Executing on host: sh -c {../as-new  
/home/mliska/Programming/binutils-gdb/gas/testsuite/gas/symver/symver15.s 2>&1}
 /dev/null dump.out (timeout = 300)
/home/mliska/Programming/binutils-gdb/libbacktrace/elf.c:3835:29: runtime
error: left shift of 251 by 24 places cannot be represented in type 'int'

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