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[Bug binutils/26457] New: UBSAN error: bfd/som.c:1794:5:


From: mliska at suse dot cz
Subject: [Bug binutils/26457] New: UBSAN error: bfd/som.c:1794:5:
Date: Thu, 20 Aug 2020 12:27:52 +0000

https://sourceware.org/bugzilla/show_bug.cgi?id=26457

            Bug ID: 26457
           Summary: UBSAN error: bfd/som.c:1794:5:
           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=hppa-hp-hpux10 CFLAGS="-g -O2 -fsanitize=address,undefined -Wno-error"
CXXLAGS="-g -O2 -fsanitize=address,undefined -Wno-error" LDFLAGS="-ldl"
Target: hppa-hp-hpux10
FAIL: Test for alignment bug when switching subspaces (part1)
Executing on host: sh -c {../as-new  
/home/mliska/Programming/binutils/gas/testsuite/gas/hppa/unsorted/align4.s
2>&1}  /dev/null gas.out (timeout = 300)
/home/mliska/Programming/binutils/bfd/som.c:1794:5: runtime error: left shift
of 127 by 25 places cannot be represented in type 'int'

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