[llvm-bugs] [Bug 24932] New: undefined reference to '__ubsan_handle_mul_overflow'

[via llvm-bugs]

https://llvm.org/bugs/show_bug.cgi?id=24932

            Bug ID: 24932
           Summary: undefined reference to '__ubsan_handle_mul_overflow'
           Product: clang
           Version: trunk
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P
         Component: -New Bugs
          Assignee: unassignedclangbugs at nondot.org
          Reporter: llvm.zheng at gmail.com
                CC: llvm-bugs at lists.llvm.org
    Classification: Unclassified

Encountered this error when building AOSP with LLVM.

FAILED: /bin/bash -c "(true) && (mkdir -p
out/target/product/flounder/obj_arm/SHARED_LIBRARIES/libcutils_intermediates/LINKED/)
&& (/homes/foo/2015-09-23/bin/clang++ -nostdlib -Wl,-soname,libcutils.so
-Wl,--gc-sections -shared  -Lout/target/product/flounder/obj_arm/lib
out/target/product/flounder/obj_arm/lib/crtbegin_so.o                       
-Wl,--whole-archive 
out/target/product/flounder/obj_arm/STATIC_LIBRARIES/libcutils_intermediates/libcutils.a
out/target/product/flounder/obj_arm/STATIC_LIBRARIES/liblog_intermediates/liblog.a
-Wl,--no-whole-archive  
out/target/product/flounder/obj_arm/STATIC_LIBRARIES/libunwind_llvm_intermediates/libunwind_llvm.a
out/target/product/flounder/obj_arm/STATIC_LIBRARIES/libcompiler_rt-extras_intermediates/libcompiler_rt-extras.a
  
prebuilts/gcc/linux-x86/arm/arm-linux-androideabi-4.9/bin/../lib/gcc/arm-linux-androideabi/4.9.x-google/../../../../arm-linux-androideabi/lib/libatomic.a
prebuilts/gcc/linux-x86/arm/arm-linux-androideabi-4.9/bin/../lib/gcc/arm-linux-androideabi/4.9.x-google/libgcc.a
-llog -lc++ -ldl -ldl -lc -lm  -o
out/target/product/flounder/obj_arm/SHARED_LIBRARIES/libcutils_intermediates/LINKED/libcutils.so
  -Wl,-z,noexecstack -Wl,-z,relro -Wl,-z,now -Wl,--build-id=md5
-Wl,--warn-shared-textrel -Wl,--fatal-warnings -Wl,--icf=safe
-Wl,--hash-style=gnu -Wl,--no-fix-cortex-a8    -target arm-linux-androideabi
-Bprebuilts/gcc/linux-x86/arm/arm-linux-androideabi-4.9/arm-linux-androideabi/bin
  -Wl,--exclude-libs,libunwind_llvm.a -Wl,--no-undefined
out/target/product/flounder/obj_arm/lib/crtend_so.o)"
system/core/libcutils/hashmap.c:54: error: undefined reference to
'__ubsan_handle_mul_overflow'
system/core/libcutils/hashmap.c:145: error: undefined reference to
'__ubsan_handle_add_overflow'
system/core/libcutils/hashmap.c:101: error: undefined reference to
'__ubsan_handle_sub_overflow'
system/core/libcutils/hashmap.c:211: error: undefined reference to
'__ubsan_handle_add_overflow'
system/core/libcutils/hashmap.c:117: error: undefined reference to
'__ubsan_handle_add_overflow'
system/core/libcutils/hashmap.c:101: error: undefined reference to
'__ubsan_handle_sub_overflow'
system/core/libcutils/hashmap.c:106: error: undefined reference to
'__ubsan_handle_mul_overflow'
system/core/libcutils/hashmap.c:101: error: undefined reference to
'__ubsan_handle_sub_overflow'
system/core/libcutils/hashmap.c:101: error: undefined reference to
'__ubsan_handle_sub_overflow'
system/core/libcutils/hashmap.c:276: error: undefined reference to
'__ubsan_handle_add_overflow'
system/core/libcutils/hashmap.c:331: error: undefined reference to
'__ubsan_handle_mul_overflow'
system/core/libcutils/native_handle.c:31: error: undefined reference to
'__ubsan_handle_mul_overflow'
clang-3.8: error: linker command failed with exit code 1 (use -v to see
invocation)
ninja: build stopped: subcommand failed.
make: *** [ninja.intermediate] Error 1


My clang version:
clang version 3.8.0 (http://llvm.org/git/clang.git
9dcbcab85ccca71ccdfa924b6946a0475d93b636) (http://llvm.org/git/llvm.git
c173ab2ec2f9f99f5c8abf934b13a71e72c6806b)
Target: arm--linux-gnueabi
Thread model: posix

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