[cfe-dev] Huge slowdown introduced in r91449

[Daniel Dunbar]

Please file a bug report for this, thanks!

 - Daniel

On Sat, Dec 26, 2009 at 3:06 AM, Abramo Bagnara <abramobagnara at tin.it> wrote:
> Tracking a slowdown observed after a clang update, I've bisected the
> problem to commit r91449.
>
> r91448:
> $ ~/llvm_opt/Release/bin/clang -w -fsyntax-only gcc.c
>
> real    0m3.683s
> user    0m3.354s
> sys     0m0.325s
>
> r91449:
> $ time ~/llvm_opt/Release/bin/clang -w -fsyntax-only gcc.c
>
> real    0m38.764s
> user    0m38.378s
> sys     0m0.374s
>
> The very large source file gcc.c (22 MB) is from:
>
> http://people.csail.mit.edu/smcc/projects/single-file-programs/
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