[Bug rtl-optimization/80318] GCC takes too much RAM and time compiling a template file (var-tracking)

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80318

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Keywords|                            |compile-time-hog,
                   |                            |memory-hog
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2017-04-06
          Component|tree-optimization           |rtl-optimization
            Summary|GCC takes too much RAM and  |GCC takes too much RAM and
                   |time compiling a template   |time compiling a template
                   |file                        |file (var-tracking)
     Ever confirmed|0                           |1

--- Comment #3 from Richard Biener <rguenth at gcc dot gnu.org> ---
For me it needs 2GB and 37s unless I add -g which makes it explode in
var-tracking - which we also diagnose:

../../../master/src/parser/parse.C:562:5: note: variable tracking size limit
exceeded with -fvar-tracking-assignments, retrying without