Compiling the attached testcase (from WINE) with -O3 takes very long
time and memory (800MB) on current TRUNK (4.3).
removing one or more lines speeds up the compiler massively.
I think this is due to bitmask and ifs.
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Summary: compiling takes very long time during -O3 compile
Product: gcc
Version: 4.3.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: marcus at jet dot franken dot de
GCC build triplet: x86_64-unknown-linux-gnu
GCC host triplet: x86_64-unknown-linux-gnu
GCC target triplet: x86_64-unknown-linux-gnu
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=29885
