[cfe-dev] InitHeaderSearch.cpp ices gcc <= 4.5

[İsmail Dönmez]

Hi;

The workaround is to compile first stage compiler with

  --with-optimize-option="-O0"




configure option. Hope that helps someone else too :)

Regards.

On Thu, Dec 1, 2011 at 7:59 PM, İsmail Dönmez <ismail at namtrac.org> wrote:

> Hi;
>
> I see the following compiler crash with gcc 4.5 while building llvm-3.0
> release:
>
> /usr/src/packages/BUILD/llvm-3.0/tools/clang/lib/Frontend/InitHeaderSearch.cpp:
> In member function
> 'void<unnamed>::InitHeaderSearch::AddMinGWCPlusPlusIncludePaths(llvm::StringRef,
> llvm::StringRef, llvm::StringRef)':
> /usr/src/packages/BUILD/llvm-3.0/tools/clang/lib/Frontend/InitHeaderSearch.cpp:192:1:
> error: unrecognizable insn:
> (insn 192 191 46 2
> /usr/src/packages/BUILD/llvm-3.0/include/llvm/ADT/Twine.h:180 (set (reg:DI
> 23 xmm2)
> (plus:DI (reg:DI 23 xmm2)
> (mem/u/c/i:DI (symbol_ref/u:DI ("*.LC14") [flags 0x2]) [0 S8 A64]))) -1
> (expr_list:REG_EQUIV (plus:DI (reg/f:DI 7 sp)
> (mem/u/c/i:DI (symbol_ref/u:DI ("*.LC14") [flags 0x2]) [0 S8 A64]))
> (nil)))
> /usr/src/packages/BUILD/llvm-3.0/tools/clang/lib/Frontend/InitHeaderSearch.cpp:192:1:
> internal compiler error: in extract_insn, at recog.c:2103
> Please submit a full bug report,
> with preprocessed source if appropriate.
> See <http://bugs.opensuse.org/> for instructions.
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