[Bug ld/17447] .eh_frame_hdr table[5707] FDE at 0000000000c45b8c overlaps table[5708] FDE at 0000000000c45a88

[amodra at gmail dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=17447

--- Comment #4 from Alan Modra <amodra at gmail dot com> ---
Using a prototype patch to discard zero address range FDEs shows that they are
quite prevalent.

/home/alan/build/gas/all/ld/ld-new: zero address range fde in
/usr/lib/llvm-3.5/lib/libclangFrontend.a(FrontendAction.o)(.eh_frame),
discarded.
/home/alan/build/gas/all/ld/ld-new: zero address range fde in
/usr/lib/llvm-3.5/lib/libclangDriver.a(ToolChain.o)(.eh_frame), discarded.
/home/alan/build/gas/all/ld/ld-new: zero address range fde in
/usr/lib/llvm-3.5/lib/libclangSerialization.a(ASTReaderDecl.o)(.eh_frame),
discarded.
/home/alan/build/gas/all/ld/ld-new: zero address range fde in
/usr/lib/llvm-3.5/lib/libclangSerialization.a(ASTReaderDecl.o)(.eh_frame),
discarded.
/home/alan/build/gas/all/ld/ld-new: zero address range fde in
/usr/lib/llvm-3.5/lib/libclangSerialization.a(ASTReaderDecl.o)(.eh_frame),
discarded.
/home/alan/build/gas/all/ld/ld-new: zero address range fde in
/usr/lib/llvm-3.5/lib/libclangSerialization.a(ASTReaderDecl.o)(.eh_frame),
discarded.
/home/alan/build/gas/all/ld/ld-new: zero address range fde in
/usr/lib/llvm-3.5/lib/libclangSerialization.a(ASTReaderDecl.o)(.eh_frame),
discarded.
/home/alan/build/gas/all/ld/ld-new: zero address range fde in
/usr/lib/llvm-3.5/lib/libclangSerialization.a(ASTReaderDecl.o)(.eh_frame),
discarded.
/home/alan/build/gas/all/ld/ld-new: zero address range fde in
/usr/lib/llvm-3.5/lib/libclangSerialization.a(ASTWriterDecl.o)(.eh_frame),
discarded.
/home/alan/build/gas/all/ld/ld-new: zero address range fde in
/usr/lib/llvm-3.5/lib/libclangCodeGen.a(CGStmtOpenMP.o)(.eh_frame), discarded.
/home/alan/build/gas/all/ld/ld-new: zero address range fde in
/usr/lib/llvm-3.5/lib/libclangCodeGen.a(CGStmtOpenMP.o)(.eh_frame), discarded.
/home/alan/build/gas/all/ld/ld-new: zero address range fde in
/usr/lib/llvm-3.5/lib/libclangCodeGen.a(CGStmtOpenMP.o)(.eh_frame), discarded.
/home/alan/build/gas/all/ld/ld-new: zero address range fde in
/usr/lib/llvm-3.5/lib/libclangCodeGen.a(CGStmtOpenMP.o)(.eh_frame), discarded.
/home/alan/build/gas/all/ld/ld-new: zero address range fde in
/usr/lib/llvm-3.5/lib/libclangCodeGen.a(CGStmtOpenMP.o)(.eh_frame), discarded.
/home/alan/build/gas/all/ld/ld-new: zero address range fde in
/usr/lib/llvm-3.5/lib/libclangCodeGen.a(CGStmtOpenMP.o)(.eh_frame), discarded.
/home/alan/build/gas/all/ld/ld-new: zero address range fde in
/usr/lib/llvm-3.5/lib/libclangCodeGen.a(CGStmtOpenMP.o)(.eh_frame), discarded.
/home/alan/build/gas/all/ld/ld-new: zero address range fde in
/usr/lib/llvm-3.5/lib/libclangCodeGen.a(CGStmtOpenMP.o)(.eh_frame), discarded.
/home/alan/build/gas/all/ld/ld-new: zero address range fde in
/usr/lib/llvm-3.5/lib/libclangCodeGen.a(CGStmtOpenMP.o)(.eh_frame), discarded.
/home/alan/build/gas/all/ld/ld-new: zero address range fde in
/usr/lib/llvm-3.5/lib/libclangCodeGen.a(CGStmtOpenMP.o)(.eh_frame), discarded.
/home/alan/build/gas/all/ld/ld-new: zero address range fde in
/usr/lib/llvm-3.5/lib/libclangCodeGen.a(CGStmtOpenMP.o)(.eh_frame), discarded.
/home/alan/build/gas/all/ld/ld-new: zero address range fde in
/usr/lib/llvm-3.5/lib/libclangCodeGen.a(CGStmtOpenMP.o)(.eh_frame), discarded.
/home/alan/build/gas/all/ld/ld-new: zero address range fde in
/usr/lib/llvm-3.5/lib/libclangCodeGen.a(CGStmtOpenMP.o)(.eh_frame), discarded.
/home/alan/build/gas/all/ld/ld-new: zero address range fde in
/usr/lib/llvm-3.5/lib/libclangCodeGen.a(TargetInfo.o)(.eh_frame), discarded.
/home/alan/build/gas/all/ld/ld-new: zero address range fde in
/usr/lib/llvm-3.5/lib/libclangCodeGen.a(CGObjC.o)(.eh_frame), discarded.
/home/alan/build/gas/all/ld/ld-new: zero address range fde in
/usr/lib/llvm-3.5/lib/libclangCodeGen.a(CGObjCMac.o)(.eh_frame), discarded.
/home/alan/build/gas/all/ld/ld-new: zero address range fde in
/usr/lib/llvm-3.5/lib/libclangCodeGen.a(CGObjCMac.o)(.eh_frame), discarded.
/home/alan/build/gas/all/ld/ld-new: zero address range fde in
/usr/lib/llvm-3.5/lib/libclangSema.a(SemaExpr.o)(.eh_frame), discarded.
/home/alan/build/gas/all/ld/ld-new: zero address range fde in
/usr/lib/llvm-3.5/lib/libclangSema.a(SemaExpr.o)(.eh_frame), discarded.
/home/alan/build/gas/all/ld/ld-new: zero address range fde in
/usr/lib/llvm-3.5/lib/libclangSema.a(SemaExprCXX.o)(.eh_frame), discarded.
/home/alan/build/gas/all/ld/ld-new: zero address range fde in
/usr/lib/llvm-3.5/lib/libclangSema.a(SemaOpenMP.o)(.eh_frame), discarded.
/home/alan/build/gas/all/ld/ld-new: zero address range fde in
/usr/lib/llvm-3.5/lib/libclangSema.a(SemaStmt.o)(.eh_frame), discarded.
/home/alan/build/gas/all/ld/ld-new: zero address range fde in
/usr/lib/llvm-3.5/lib/libclangSema.a(SemaTemplate.o)(.eh_frame), discarded.
/home/alan/build/gas/all/ld/ld-new: zero address range fde in
/usr/lib/llvm-3.5/lib/libclangSema.a(SemaTemplateDeduction.o)(.eh_frame),
discarded.
/home/alan/build/gas/all/ld/ld-new: zero address range fde in
/usr/lib/llvm-3.5/lib/libclangSema.a(SemaTemplateInstantiate.o)(.eh_frame),
discarded.
/home/alan/build/gas/all/ld/ld-new: zero address range fde in
/usr/lib/llvm-3.5/lib/libclangSema.a(SemaTemplateInstantiateDecl.o)(.eh_frame),
discarded.
/home/alan/build/gas/all/ld/ld-new: zero address range fde in
/usr/lib/llvm-3.5/lib/libclangSema.a(SemaTemplateInstantiateDecl.o)(.eh_frame),
discarded.
/home/alan/build/gas/all/ld/ld-new: zero address range fde in
/usr/lib/llvm-3.5/lib/libclangSema.a(SemaTemplateInstantiateDecl.o)(.eh_frame),
discarded.
/home/alan/build/gas/all/ld/ld-new: zero address range fde in
/usr/lib/llvm-3.5/lib/libclangSema.a(SemaTemplateInstantiateDecl.o)(.eh_frame),
discarded.
/home/alan/build/gas/all/ld/ld-new: zero address range fde in
/usr/lib/llvm-3.5/lib/libclangSema.a(SemaTemplateInstantiateDecl.o)(.eh_frame),
discarded.
/home/alan/build/gas/all/ld/ld-new: zero address range fde in
/usr/lib/llvm-3.5/lib/libclangSema.a(SemaTemplateInstantiateDecl.o)(.eh_frame),
discarded.
/home/alan/build/gas/all/ld/ld-new: zero address range fde in
/usr/lib/llvm-3.5/lib/libclangSema.a(SemaType.o)(.eh_frame), discarded.
/home/alan/build/gas/all/ld/ld-new: zero address range fde in
/usr/lib/llvm-3.5/lib/libclangAST.a(ExprCXX.o)(.eh_frame), discarded.
/home/alan/build/gas/all/ld/ld-new: zero address range fde in
/usr/lib/llvm-3.5/lib/libclangAST.a(ItaniumMangle.o)(.eh_frame), discarded.

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