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);