https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92430
Bug ID: 92430
Summary: [10 Regression] Compile-time hog w/ -Os
-fno-if-conversion -fno-tree-dce
-fno-tree-loop-optimize -fno-tree-vrp
Product: gcc
Version: 10.0
Status: UNCONFIRMED
Keywords: compile-time-hog
Severity: normal
Priority: P3
Component: tree-optimization
Assignee: unassigned at gcc dot gnu.org
Reporter: asolokha at gmx dot com
Target Milestone: ---
gcc-10.0.0-alpha20191103 snapshot (r277758) takes indefinite time when
compiling the following testcase w/ -Os -fno-if-conversion -fno-tree-dce
-fno-tree-loop-optimize -fno-tree-vrp:
int eb, ko;
void
e9 (int pe, int lx)
{
int ir;
for (ir = 0; ir < 1; ++ir)
{
for (ko = 0; ko < 1; ++ko)
{
for (eb = 0; eb < 1; ++eb)
ko += pe;
for (ko = 0; ko < 1; ++ko)
;
}
pe = ir = lx;
}
}
% timeout 30 gcc-10.0.0-alpha20191103 -Os -fno-if-conversion -fno-tree-dce
-fno-tree-loop-optimize -fno-tree-vrp -c aous70dh.c
zsh: exit 124 timeout 30 gcc-10.0.0-alpha20191103 -Os -fno-if-conversion
-fno-tree-dce -c
