[llvm-bugs] [Bug 30918] New: llvm-tblgen linked with LLD core dumps

[via llvm-bugs]

https://llvm.org/bugs/show_bug.cgi?id=30918

            Bug ID: 30918
           Summary: llvm-tblgen linked with LLD core dumps
           Product: lld
           Version: unspecified
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P
         Component: ELF
          Assignee: unassignedbugs at nondot.org
          Reporter: eugene.zelenko at gmail.com
                CC: llvm-bugs at lists.llvm.org
    Classification: Unclassified

I experienced coredump when trying to build LLVM/Clang in two stages and using
LLD as linker on second stage (-DLLVM_ENABLE_LLD=ON).

/bin/sh: line 1: 14247 Segmentation fault      (core dumped)
../../../../../bin/llvm-tblgen -gen-opt-parser-defs -I
llvm-svn.src/tools/clang/include/clang/Driver -I llvm-svn.src/lib/Target -I
llvm-svn.src/include llvm-svn.src/tools/clang/include/clang/Driver/Options.td
-o pass2.build/tools/clang/include/clang/Driver/Options.inc.tmp

LLVM/Clang build is x86_64 and use libc++ (-DLLVM_ENABLE_LIBCXX=ON).

Same build is OK when ld is used.

Problem was introduced between r285858 and r285932.

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