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Date: Sun, 18 Nov 2007 10:15:00 -0000
Subject: [Bug tree-optimization/34138]  New: [4.3 Regression] verify_ssa failed (found real variable when subvariables should have appeared)
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From: "tbm at cyrius dot com" <gcc-bugzilla@gcc.gnu.org>
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With current trunk on sparc:

tbm@devel-tbm:~$ /usr/lib/gcc-snapshot/bin/gcc -c -O3 busybox-ash.c
busybox-ash.c: In function 'dotcmd':
busybox-ash.c:15: error: found real variable when subvariables should have
appeared
while verifying SSA_NAME shellparam_17 in statement
# shellparam_17 = VDEF <shellparam_1(D)>
# SFT.31_9 = VDEF <SFT.31_6(D)>
# SMT.38_10 = VDEF <SMT.38_7(D)>
# SMT.39_11 = VDEF <SMT.39_5(D)>
free (D.1273_3);
busybox-ash.c:15: error: found real variable when subvariables should have
appeared
while verifying SSA_NAME shellparam_18 in statement
# shellparam_18 = VDEF <shellparam_17>
# SFT.31_13 = VDEF <SFT.31_9>
# SMT.38_14 = VDEF <SMT.38_10>
# SMT.39_15 = VDEF <SMT.39_11>
free (D.1274_4);
busybox-ash.c:15: error: found real variable when subvariables should have
appeared
busybox-ash.c:15: error: in statement
# shellparam_17 = VDEF <shellparam_1(D)>
# SFT.31_9 = VDEF <SFT.31_6(D)>
# SMT.38_10 = VDEF <SMT.38_7(D)>
# SMT.39_11 = VDEF <SMT.39_5(D)> { shellparam SFT.31 SMT.38 SMT.39 }
free (D.1273_3);
busybox-ash.c:15: internal compiler error: verify_ssa failed
Please submit a full bug report,

This didn't happen with 20071105.


-- 
           Summary: [4.3 Regression] verify_ssa failed (found real variable
                    when subvariables should have appeared)
           Product: gcc
           Version: 4.3.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: tree-optimization
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: tbm at cyrius dot com
GCC target triplet: sparc-linux-gnu


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=34138