https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79030

Richard Biener <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Keywords|                            |memory-hog
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2017-01-09
          Component|other                       |c++
     Ever confirmed|0                           |1

--- Comment #2 from Richard Biener <rguenth at gcc dot gnu.org> ---
Can you figure out which pass / function uses so much memory?  Does using -O1
help?  The testcase is positively big, on x86_64 (with -m32) it uses >2GB of
memory even at -O[01], that is, without -g!  -fsyntax-only tops at 1.7GB
already
with reduced GC params, otherwise goes close to 2GB (so I mostly blame the C++
FE here).

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