[Bug lto/52159] ICE when building qemu with GCC 4.7 trunk: cannot read LTO decls

[trippels at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=52159

Markus Trippelsdorf <trippels at gcc dot gnu.org> changed:

           What    |Removed                     |Added
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                 CC|                            |trippels at gcc dot gnu.org

--- Comment #5 from Markus Trippelsdorf <trippels at gcc dot gnu.org> ---
(In reply to Steffen Hau from comment #3)
> 
> The same happens with LD BFD. Only workaround is to disable LTO. GCC 4.9.2
> doesn't show this error and compiles the code. I was able to break down the
> Object List to three files which reproduce the error reliably. I compiled
> the files with the "--save-temps" switch, but I'm not able, to reproduce the
> error with the resulting .i files because of other compiler errors like
> "'abc' does not name a type" or "error: 'xyz' was not declared in this
> scope".

This happens because you use gcc for compiling and g++ for linking in your 
build script.