[Bug binutils/26472] New: UBSAN error: gas/config/tc-mips.c:4671:11:

[mliska at suse dot cz]

https://sourceware.org/bugzilla/show_bug.cgi?id=26472

            Bug ID: 26472
           Summary: UBSAN error: gas/config/tc-mips.c:4671:11:
           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=mips-linux CFLAGS="-g -O2 -fsanitize=address,undefined -Wno-error"
CXXLAGS="-g -O2 -fsanitize=address,undefined -Wno-error" LDFLAGS="-ldl"
Target: mips-linux
FAIL: MIPS n64 symbol export class test (final shared object)
Executing on host: sh -c {/dev/shm/4h8nit8i/ld/../gas/as-new  
-I/home/mliska/Programming/binutils/ld/testsuite/ld-mips-elf   -o
tmpdir/mips-flags-1.o -mabi=eabi -mgp32
/home/mliska/Programming/binutils/ld/testsuite/ld-mips-elf/jr.s 2>&1} 
/dev/null ld.tmp (timeout = 300)
/home/mliska/Programming/binutils/gas/config/tc-mips.c:4671:11: runtime error:
left shift of 1 by 31 places cannot be represented in type 'int'

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