https://sourceware.org/bugzilla/show_bug.cgi?id=26447
Bug ID: 26447
Summary: UBSAN error: gas/expr.c:1936:48:
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=dlx-elf CFLAGS="-g -O2 -fsanitize=address,undefined -Wno-error"
CXXLAGS="-g -O2 -fsanitize=address,undefined -Wno-error" LDFLAGS="-ldl"
Target: dlx-elf
PASS: lhi
Executing on host: sh -c {../as-new -o tmpdir/load.o
/home/mliska/Programming/binutils/gas/testsuite/gas/dlx/load.s 2>&1} /dev/null
dump.tmp (timeout = 300)
/home/mliska/Programming/binutils/gas/expr.c:1936:48: runtime error: left shift
of negative value -20
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