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From: "nick at sqrt dot co dot uk" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug c/21958] New: verify_stmts reports tree node sharing assertion Date: Wed, 08 Jun 2005 11:54:00 -0000 [thread overview] Message-ID: <20050608115434.21958.nick@sqrt.co.uk> (raw) [-- Warning: decoded text below may be mangled, UTF-8 assumed --] [-- Attachment #1: Type: text/plain, Size: 1314 bytes --] Using GCC 4.1 mainline checkout at 20050607. $ ./i686-linux/gcc/xgcc -B ./i686-linux/gcc -S bug1.c -O1 bug1.c: In function foo: bug1.c:2: error: Incorrect sharing of tree nodes D.1290_47 = (charD.1 * *) pD.1236_3; (charD.1 * *) pD.1236_3; bug1.c:2: internal compiler error: verify_stmts failed. Please submit a full bug report, I've narrowed down a testcase to: void foo (char *p) { char *endptr = p; while (1) { int i = 1; char **members; if (p[1]) { do { if (*p == ',') { i++; *p = 0; } } while (*++p); } members = (char **) p; if (--i) { p = endptr; do { *members++ = ++p; if (!--i) break; while (*++p) {} } while (1); } *members = 0; } } -- Summary: verify_stmts reports tree node sharing assertion Product: gcc Version: 4.1.0 Status: UNCONFIRMED Severity: normal Priority: P2 Component: c AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: nick at sqrt dot co dot uk CC: gcc-bugs at gcc dot gnu dot org GCC build triplet: i686-pc-linux-gnu GCC host triplet: i686-pc-linux-gnu GCC target triplet: i686-pc-linux-gnu http://gcc.gnu.org/bugzilla/show_bug.cgi?id=21958
next reply other threads:[~2005-06-08 11:54 UTC|newest] Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top 2005-06-08 11:54 nick at sqrt dot co dot uk [this message] 2005-06-08 12:54 ` [Bug tree-optimization/21958] [4.1 Regression] " pinskia at gcc dot gnu dot org
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