[Bug c++/17799] [4.0 Regression] Non-optimizing compile loses 'this'

[mmitchel at gcc dot gnu dot org]

------- Additional Comments From mmitchel at gcc dot gnu dot org  2004-12-21 19:43 -------
Richard, do you consider this a C++ front-end bug?

It does not seem to be a front-end bug to me; the "this" parameter is in fact
compiler-generated.  It's been marked DECL_ARTIFICIAL since time immemorila. 
Maybe the middle end should be performing this optimization at -O0 only if
DECL_IGNORED_P is set.  If you agree, we should recategorize this defect.

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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=17799