https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103167
Bug ID: 103167
Summary: UBSAN error since
g:05f40bc4c116ba48843728201bc7290a5e518598
Product: gcc
Version: 12.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: libbacktrace
Assignee: unassigned at gcc dot gnu.org
Reporter: marxin at gcc dot gnu.org
CC: ian at gcc dot gnu.org
Blocks: 63426
Target Milestone: ---
Originally reported here:
https://sourceware.org/bugzilla/show_bug.cgi?id=28569
```
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'
```
Referenced Bugs:
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63426
[Bug 63426] [meta-bug] Issues found with -fsanitize=undefined
