[Bug binutils/26473] New: UBSAN error: gas/config/tc-mips.c:9579:25:

[mliska at suse dot cz]

https://sourceware.org/bugzilla/show_bug.cgi?id=26473

            Bug ID: 26473
           Summary: UBSAN error: gas/config/tc-mips.c:9579:25:
           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=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 -mgp32 -mfp64
Executing on host: sh -c {../as-new  -mabi=o64 -march=8000 -EB -mfp32  -o
tmpdir/mips-gp64-fp32.o
/home/mliska/Programming/binutils/gas/testsuite/gas/mips/mips-gp64-fp32.s 2>&1}
 /dev/null dump.tmp (timeout = 300)
/home/mliska/Programming/binutils/gas/config/tc-mips.c:9579:25: runtime error:
left shift of 65535 by 17 places cannot be represented in type 'int'

--------------------------------------------------------------------------------
UBSAN error: gas/config/tc-mips.c:9583:24: 
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
PASS: MIPS ld-st-la bad constants (ABI o32, mips3, shared)
Executing on host: sh -c {../as-new  -mabi=eabi -mips3 -G8 -EB  -o
tmpdir/ldstla-sym32.o
/home/mliska/Programming/binutils/gas/testsuite/gas/mips/ldstla-sym32.s 2>&1} 
/dev/null dump.tmp (timeout = 300)
/home/mliska/Programming/binutils/gas/config/tc-mips.c:9583:24: runtime error:
left shift of 65535 by 16 places cannot be represented in type 'int'

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