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[Bug fortran/72743] ICE in get_constraint_for_ssa_var, at tree-ssa-structalias.c:2958
- From: "rguenth at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Fri, 29 Jul 2016 07:30:13 +0000
- Subject: [Bug fortran/72743] ICE in get_constraint_for_ssa_var, at tree-ssa-structalias.c:2958
- Auto-submitted: auto-generated
- References: <bug-72743-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=72743
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |NEW
Last reconfirmed| |2016-07-29
Ever confirmed|0 |1
Known to fail| |6.1.1, 7.0
--- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> ---
Hmm, this sounds familiar (there is/was a dup I think):
#1 0x0000000001188c25 in get_constraint_for_ssa_var (t=
Python Exception <class 'gdb.error'> There is no member or method named
m_vecpfx.:
<var_decl 0x7ffff7ff6b40 A.0>, results=0x7fffffffd5f0, address_p=true)
at /space/rguenther/src/svn/trunk/gcc/tree-ssa-structalias.c:2942
2942 gcc_assert ((! DECL_PT_UID_SET_P (node->decl)
(gdb) l
2937 {
2938 node = node->ultimate_alias_target ();
2939 /* Canonicalize the PT uid of all aliases to the ultimate
target.
2940 ??? Hopefully the set of aliases can't change in a way
that
2941 changes the ultimate alias target. */
2942 gcc_assert ((! DECL_PT_UID_SET_P (node->decl)
2943 || DECL_PT_UID (node->decl) == DECL_UID
(node->decl))
2944 && (! DECL_PT_UID_SET_P (t)
2945 || DECL_PT_UID (t) == DECL_UID
(node->decl)));
2946 DECL_PT_UID (t) = DECL_UID (node->decl);