[Bug ld/6996] New: Regression: linking fails on objects in discarded section of *.o files

[tyrerj at acm dot org]

Research on Google indicates that this problem has occurred before.

When building llvm-2.3

http://www.llvm.org/releases/

with the patch from OpenGTL:

http://www.opengtl.org/Download.html

Using GCC-4.3.2 and BinUtils-2.19, linking fails with error:

make[2]: Entering directory `/usr/src/llvm-2.3/tools/llc'
llvm[2]: Linking Release executable llc (without symbols)
`.L1297' referenced in section 
`.gnu.linkonce.r._ZNK4llvm14TargetLowering19ValueTypeActionImpl13getTypeActionEj'
 
of /usr/src/llvm-2.3/Release/lib/libLLVMSelectionDAG.a(TargetLowering.o): 
defined in discarded section 
`.gnu.linkonce.t._ZNK4llvm14TargetLowering19ValueTypeActionImpl13getTypeActionEj'
 
of /usr/src/llvm-2.3/Release/lib/libLLVMSelectionDAG.a(TargetLowering.o)
`.L1298' referenced in section 
`.gnu.linkonce.r._ZNK4llvm14TargetLowering19ValueTypeActionImpl13getTypeActionEj'
 
of /usr/src/llvm-2.3/Release/lib/libLLVMSelectionDAG.a(TargetLowering.o): 
defined in discarded section 
`.gnu.linkonce.t._ZNK4llvm14TargetLowering19ValueTypeActionImpl13getTypeActionEj'
 
of /usr/src/llvm-2.3/Release/lib/libLLVMSelectionDAG.a(TargetLowering.o)
`.L1298' referenced in section 
`.gnu.linkonce.r._ZNK4llvm14TargetLowering19ValueTypeActionImpl13getTypeActionEj'
 
of /usr/src/llvm-2.3/Release/lib/libLLVMSelectionDAG.a(TargetLowering.o): 
defined in discarded section 
`.gnu.linkonce.t._ZNK4llvm14TargetLowering19ValueTypeActionImpl13getTypeActionEj'
 
of /usr/src/llvm-2.3/Release/lib/libLLVMSelectionDAG.a(TargetLowering.o)
`.L1299' referenced in section 
`.gnu.linkonce.r._ZNK4llvm14TargetLowering19ValueTypeActionImpl13getTypeActionEj'
 
of /usr/src/llvm-2.3/Release/lib/libLLVMSelectionDAG.a(TargetLowering.o): 
defined in discarded section 
`.gnu.linkonce.t._ZNK4llvm14TargetLowering19ValueTypeActionImpl13getTypeActionEj'
 
of /usr/src/llvm-2.3/Release/lib/libLLVMSelectionDAG.a(TargetLowering.o)

and a lot more of similar errors.

-- 
           Summary: Regression: linking fails on objects in discarded
                    section of *.o files
           Product: binutils
           Version: 2.19
            Status: NEW
          Severity: normal
          Priority: P2
         Component: ld
        AssignedTo: unassigned at sources dot redhat dot com
        ReportedBy: tyrerj at acm dot org
                CC: bug-binutils at gnu dot org
 GCC build triplet: i686-pc-linux-gnu
  GCC host triplet: i686-pc-linux-gnu
GCC target triplet: i686-pc-linux-gnu


http://sourceware.org/bugzilla/show_bug.cgi?id=6996

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