[Bug rtl-optimization/23366] New: [4.1 Regression] gcc.c-torture/compile/20020926-1.c fails

[Bug rtl-optimization/23366] New: [4.1 Regression] gcc.c-torture/compile/20020926-1.c fails

[jsm28 at gcc dot gnu dot org]

FAIL: gcc.c-torture/compile/20020926-1.c  -O2  (test for excess errors)
FAIL: gcc.c-torture/compile/20020926-1.c  -O3 -fomit-frame-pointer  (test for
excess errors)
FAIL: gcc.c-torture/compile/20020926-1.c  -O3 -g  (test for excess errors)

have appeared on mainline on 20050812 (as of 07:00 UTC, not present 20050811
07:00 UTC) on i686-pc-linux-gnu.

/scratch/gcc/nightly-2005-08-12-mainline/src/gcc-mainline/gcc/testsuite/gcc.c-torture/compile/20020926-1.c:
In function 'bar':
/scratch/gcc/nightly-2005-08-12-mainline/src/gcc-mainline/gcc/testsuite/gcc.c-torture/compile/20020926-1.c:21:
error: abnormal edges for no purpose in bb 1
/scratch/gcc/nightly-2005-08-12-mainline/src/gcc-mainline/gcc/testsuite/gcc.c-torture/compile/20020926-1.c:21:
error: in basic block 1:
/scratch/gcc/nightly-2005-08-12-mainline/src/gcc-mainline/gcc/testsuite/gcc.c-torture/compile/20020926-1.c:21:
error: flow control insn inside a basic block
(call_insn/j:TI 26 57 65 1 (call (mem:QI (symbol_ref:SI ("foo2") [flags 0x41]
<function_decl 0x401df180 foo2>) [0 S1 A8])
        (const_int 8 [0x8])) 368 {*call_0} (insn_list:REG_DEP_ANTI 18
(insn_list:REG_DEP_ANTI 19 (insn_list:REG_DEP_ANTI 20 (insn_list:REG_DEP_ANTI 56
(insn_list:REG_DEP_TRUE 57 (insn_list:REG_DEP_ANTI 21 (insn_list:REG_DEP_TRUE 24
(insn_list:REG_DEP_TRUE 25 (insn_list:REG_DEP_TRUE 55 (nil))))))))))
    (nil)
    (nil))
/scratch/gcc/nightly-2005-08-12-mainline/src/gcc-mainline/gcc/testsuite/gcc.c-torture/compile/20020926-1.c:21:
internal compiler error: in rtl_verify_flow_info_1, at cfgrtl.c:2135

-- 
           Summary: [4.1 Regression] gcc.c-torture/compile/20020926-1.c
                    fails
           Product: gcc
           Version: 4.1.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: rtl-optimization
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: jsm28 at gcc dot gnu dot org
                CC: gcc-bugs at gcc dot gnu dot org
GCC target triplet: i686-pc-linux-gnu


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=23366

[Bug target/23366] [4.1 Regression] gcc.c-torture/compile/20020926-1.c fails

[pinskia at gcc dot gnu dot org]

------- Additional Comments From pinskia at gcc dot gnu dot org  2005-08-12 21:22 -------
This is a reg stack issue.

-- 
           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
          Component|rtl-optimization            |target
     Ever Confirmed|                            |1
           Keywords|                            |ice-on-valid-code
   Last reconfirmed|0000-00-00 00:00:00         |2005-08-12 21:22:38
               date|                            |
   Target Milestone|---                         |4.1.0


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=23366

[Bug target/23366] [4.1 Regression] gcc.c-torture/compile/20020926-1.c fails

[pinskia at gcc dot gnu dot org]

------- Additional Comments From pinskia at gcc dot gnu dot org  2005-09-01 12:55 -------
Fixed most likely by:
2005-08-31  Richard Henderson  <rth@redhat.com>

        * config/i386/i386.c (ix86_function_ok_for_sibcall): Fix test for
        fp return matching.

-- 
           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|                            |FIXED


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=23366