[llvm-bugs] [Bug 27813] New: Relocation R_ARM_THM_JUMP24 error when linking stage 2 MallocChecker.cpp on ARMv7

via llvm-bugs llvm-bugs at lists.llvm.org
Thu May 19 02:44:49 PDT 2016


https://llvm.org/bugs/show_bug.cgi?id=27813

            Bug ID: 27813
           Summary: Relocation R_ARM_THM_JUMP24 error when linking stage 2
                    MallocChecker.cpp on ARMv7
           Product: libraries
           Version: trunk
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P
         Component: Backend: ARM
          Assignee: unassignedbugs at nondot.org
          Reporter: renato.golin at linaro.org
                CC: llvm-bugs at lists.llvm.org
    Classification: Unclassified

This error shown up on 
http://lab.llvm.org:8011/builders/clang-cmake-thumbv7-a15-full-sh/builds/3526:

lib/libclangStaticAnalyzerCheckers.a(MallocChecker.cpp.o): In function
`clang::ento::ProgramStatePartialTrait<llvm::ImmutableMap<clang::ento::SymExpr
const*, (anonymous namespace)::ReallocPair,
llvm::ImutKeyValueInfo<clang::ento::SymExpr const*, (anonymous
namespace)::ReallocPair> > >::DeleteContext(void*)':

/home/linaro/devel/buildbot/clang-cmake-thumbv7-a15-full-sh/llvm/tools/clang/lib/StaticAnalyzer/Checkers/MallocChecker.cpp:(.text._ZN5clang4ento24ProgramStatePartialTraitIN4llvm12ImmutableMapIPKNS0_7SymExprEN12_GLOBAL__N_111ReallocPairENS2_16ImutKeyValueInfoIS6_S8_EEEEE13DeleteContextEPv+0x88):

relocation truncated to fit: R_ARM_THM_JUMP24 against symbol `operator
delete(void*)@@GLIBCXX_3.4' defined in .text section in
/usr/lib/gcc/arm-linux-gnueabihf/4.8/libstdc++.so

And subsequently disappeared from
http://lab.llvm.org:8011/builders/clang-cmake-thumbv7-a15-full-sh/builds/3527.

I have done a bisect on a similar machine overnight using the exact same
configuration (Chromebook, kernel 3.8.11, Ubuntu Trusty, GCC 4.8.2-19ubuntu1,
ld BFD 2.24) and got nothing.

Looks like a heisenbug... :(

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