https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86638
Bug ID: 86638
Summary: Og guality failures without -ftree-sra
Product: gcc
Version: 9.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: debug
Assignee: unassigned at gcc dot gnu.org
Reporter: vries at gcc dot gnu.org
Target Milestone: ---
There's a class of guality failures at Og that goes away when using -ftree-sra:
...
FAIL: gcc.dg/guality/pr54970.c -Og -DPREVENT_OPTIMIZATION line .+4 a[0] == 1
FAIL: gcc.dg/guality/pr54970.c -Og -DPREVENT_OPTIMIZATION line .+3 a[1] == 2
FAIL: gcc.dg/guality/pr54970.c -Og -DPREVENT_OPTIMIZATION line .+2 a[2] == 3
FAIL: gcc.dg/guality/pr54970.c -Og -DPREVENT_OPTIMIZATION line .+1 *p == 3
FAIL: gcc.dg/guality/pr54970.c -Og -DPREVENT_OPTIMIZATION line . *q == 2
FAIL: gcc.dg/guality/pr54970.c -Og -DPREVENT_OPTIMIZATION line .+4 a[0] == 1
FAIL: gcc.dg/guality/pr54970.c -Og -DPREVENT_OPTIMIZATION line .+3 a[1] == 2
FAIL: gcc.dg/guality/pr54970.c -Og -DPREVENT_OPTIMIZATION line .+2 a[2] == 13
FAIL: gcc.dg/guality/pr54970.c -Og -DPREVENT_OPTIMIZATION line .+1 *p == 13
FAIL: gcc.dg/guality/pr54970.c -Og -DPREVENT_OPTIMIZATION line . *q == 2
FAIL: gcc.dg/guality/pr54970.c -Og -DPREVENT_OPTIMIZATION line .+4 a[0] == 1
FAIL: gcc.dg/guality/pr54970.c -Og -DPREVENT_OPTIMIZATION line .+3 a[1] == 12
FAIL: gcc.dg/guality/pr54970.c -Og -DPREVENT_OPTIMIZATION line .+2 a[2] == 13
FAIL: gcc.dg/guality/pr54970.c -Og -DPREVENT_OPTIMIZATION line .+1 *p == 13
FAIL: gcc.dg/guality/pr54970.c -Og -DPREVENT_OPTIMIZATION line . *q == 12
FAIL: gcc.dg/guality/pr54970.c -Og -DPREVENT_OPTIMIZATION line .+3 a[1] == 5
FAIL: gcc.dg/guality/pr54970.c -Og -DPREVENT_OPTIMIZATION line .+2 a[2] == 6
FAIL: gcc.dg/guality/pr54970.c -Og -DPREVENT_OPTIMIZATION line .+1 *p == 6
FAIL: gcc.dg/guality/pr54970.c -Og -DPREVENT_OPTIMIZATION line . *q == 5
FAIL: gcc.dg/guality/pr54970.c -Og -DPREVENT_OPTIMIZATION line .+3 a[1] == 5
FAIL: gcc.dg/guality/pr54970.c -Og -DPREVENT_OPTIMIZATION line .+2 a[2] == 26
FAIL: gcc.dg/guality/pr54970.c -Og -DPREVENT_OPTIMIZATION line .+1 *p == 26
FAIL: gcc.dg/guality/pr54970.c -Og -DPREVENT_OPTIMIZATION line . *q == 5
FAIL: gcc.dg/guality/pr54970.c -Og -DPREVENT_OPTIMIZATION line .+7 a[1] == 25
FAIL: gcc.dg/guality/pr54970.c -Og -DPREVENT_OPTIMIZATION line .+6 a[2] == 26
FAIL: gcc.dg/guality/pr54970.c -Og -DPREVENT_OPTIMIZATION line .+5 *p == 26
FAIL: gcc.dg/guality/pr54970.c -Og -DPREVENT_OPTIMIZATION line .+4 p[-1] ==
25
FAIL: gcc.dg/guality/pr54970.c -Og -DPREVENT_OPTIMIZATION line .+1 q[1] == 26
FAIL: gcc.dg/guality/pr54970.c -Og -DPREVENT_OPTIMIZATION line . *q == 25
FAIL: gcc.dg/guality/pr56154-1.c -Og -DPREVENT_OPTIMIZATION line
pr56154-1.c:20 x.a == 6
FAIL: gcc.dg/guality/pr59776.c -Og -DPREVENT_OPTIMIZATION line pr59776.c:17
s1.f == 5.0
FAIL: gcc.dg/guality/pr59776.c -Og -DPREVENT_OPTIMIZATION line pr59776.c:17
s1.g == 6.0
FAIL: gcc.dg/guality/pr59776.c -Og -DPREVENT_OPTIMIZATION line pr59776.c:17
s2.f == 0.0
FAIL: gcc.dg/guality/pr59776.c -Og -DPREVENT_OPTIMIZATION line pr59776.c:17
s2.g == 6.0
FAIL: gcc.dg/guality/pr59776.c -Og -DPREVENT_OPTIMIZATION line pr59776.c:20
s1.f == 5.0
FAIL: gcc.dg/guality/pr59776.c -Og -DPREVENT_OPTIMIZATION line pr59776.c:20
s1.g == 6.0
FAIL: gcc.dg/guality/pr59776.c -Og -DPREVENT_OPTIMIZATION line pr59776.c:20
s2.f == 5.0
FAIL: gcc.dg/guality/pr59776.c -Og -DPREVENT_OPTIMIZATION line pr59776.c:20
s2.g == 6.0
...
