[Bug middle-end/40304] New: [4.5 Regression] Revision 147995 breaks stack unwind

[hjl dot tools at gmail dot com]

On Linux/ia32, revision 147995:

http://gcc.gnu.org/ml/gcc-cvs/2009-05/msg00974.html

caused

FAIL: g++.dg/eh/async-unwind1.C execution test
FAIL: g++.dg/torture/stackalign/eh-alloca-1.C  -O1  execution test
FAIL: g++.dg/torture/stackalign/eh-alloca-1.C  -O1  execution test
FAIL: g++.dg/torture/stackalign/eh-alloca-1.C  -O2  execution test
FAIL: g++.dg/torture/stackalign/eh-alloca-1.C  -O2  execution test
FAIL: g++.dg/torture/stackalign/eh-alloca-1.C  -O3 -fomit-frame-pointer 
execution test
FAIL: g++.dg/torture/stackalign/eh-alloca-1.C  -O3 -fomit-frame-pointer 
execution test
FAIL: g++.dg/torture/stackalign/eh-alloca-1.C  -O3 -g  execution test
FAIL: g++.dg/torture/stackalign/eh-alloca-1.C  -O3 -g  execution test
FAIL: g++.dg/torture/stackalign/eh-vararg-1.C  -O1  execution test
FAIL: g++.dg/torture/stackalign/eh-vararg-1.C  -O1  execution test
FAIL: g++.dg/torture/stackalign/eh-vararg-1.C  -O2  execution test
FAIL: g++.dg/torture/stackalign/eh-vararg-1.C  -O2  execution test
FAIL: g++.dg/torture/stackalign/eh-vararg-1.C  -O3 -fomit-frame-pointer 
execution test
FAIL: g++.dg/torture/stackalign/eh-vararg-1.C  -O3 -fomit-frame-pointer 
execution test
FAIL: g++.dg/torture/stackalign/eh-vararg-1.C  -O3 -g  execution test
FAIL: g++.dg/torture/stackalign/eh-vararg-1.C  -O3 -g  execution test
FAIL: g++.dg/torture/stackalign/eh-vararg-2.C  -O1  execution test
FAIL: g++.dg/torture/stackalign/eh-vararg-2.C  -O1  execution test
FAIL: g++.dg/torture/stackalign/eh-vararg-2.C  -O2  execution test
FAIL: g++.dg/torture/stackalign/eh-vararg-2.C  -O2  execution test
FAIL: g++.dg/torture/stackalign/eh-vararg-2.C  -O3 -fomit-frame-pointer 
execution test
FAIL: g++.dg/torture/stackalign/eh-vararg-2.C  -O3 -fomit-frame-pointer 
execution test
FAIL: g++.dg/torture/stackalign/eh-vararg-2.C  -O3 -g  execution test
FAIL: g++.dg/torture/stackalign/eh-vararg-2.C  -O3 -g  execution test
FAIL: g++.dg/torture/stackalign/unwind-0.C  -O1  execution test
FAIL: g++.dg/torture/stackalign/unwind-0.C  -O2  execution test
FAIL: g++.dg/torture/stackalign/unwind-0.C  -O3 -fomit-frame-pointer  execution
test
FAIL: g++.dg/torture/stackalign/unwind-0.C  -O3 -g  execution test
FAIL: g++.dg/torture/stackalign/unwind-1.C  -O1  execution test
FAIL: g++.dg/torture/stackalign/unwind-1.C  -O2  execution test
FAIL: g++.dg/torture/stackalign/unwind-1.C  -O3 -fomit-frame-pointer  execution
test
FAIL: g++.dg/torture/stackalign/unwind-1.C  -O3 -g  execution test
FAIL: g++.dg/torture/stackalign/unwind-2.C  -O1  execution test
FAIL: g++.dg/torture/stackalign/unwind-2.C  -O2  execution test
FAIL: g++.dg/torture/stackalign/unwind-2.C  -O3 -fomit-frame-pointer  execution
test
FAIL: g++.dg/torture/stackalign/unwind-2.C  -O3 -g  execution test
FAIL: g++.dg/torture/stackalign/unwind-3.C  -O1  execution test
FAIL: g++.dg/torture/stackalign/unwind-3.C  -O2  execution test
FAIL: g++.dg/torture/stackalign/unwind-3.C  -O3 -fomit-frame-pointer  execution
test
FAIL: g++.dg/torture/stackalign/unwind-3.C  -O3 -g  execution test
FAIL: g++.dg/torture/stackalign/unwind-5.C  -O1  execution test
FAIL: g++.dg/torture/stackalign/unwind-5.C  -O2  execution test
FAIL: g++.dg/torture/stackalign/unwind-5.C  -O3 -fomit-frame-pointer  execution
test
FAIL: g++.dg/torture/stackalign/unwind-5.C  -O3 -g  execution test
FAIL: g++.dg/torture/stackalign/unwind-6.C  -O1  execution test
FAIL: g++.dg/torture/stackalign/unwind-6.C  -O2  execution test
FAIL: g++.dg/torture/stackalign/unwind-6.C  -O3 -fomit-frame-pointer  execution
test
FAIL: g++.dg/torture/stackalign/unwind-6.C  -O3 -g  execution test
FAIL: gcc.target/i386/lea.c scan-assembler leal


-- 
           Summary: [4.5 Regression]  Revision 147995 breaks stack unwind
           Product: gcc
           Version: 4.5.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: middle-end
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: hjl dot tools at gmail dot com


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40304