[Bug binutils/26425] New: UBSAN error: gas/config/tc-arm.c:8292:25:

[mliska at suse dot cz]

https://sourceware.org/bugzilla/show_bug.cgi?id=26425

            Bug ID: 26425
           Summary: UBSAN error: gas/config/tc-arm.c:8292:25:
           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: ADDS relocations against local symbols for armv6s-m
Executing on host: sh -c {../as-new     -o tmpdir/addsw-bad.o
/home/mliska/Programming/binutils/gas/testsuite/gas/arm/addsw-bad.s 2>&1} 
/dev/null dump.tmp (timeout = 300)
/home/mliska/Programming/binutils/gas/config/tc-arm.c:8292:25: runtime error:
left shift of 255 by 24 places cannot be represented in type 'int'

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