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Diffstat (limited to 'gcc/tree-ssa-structalias.c')
| -rw-r--r-- | gcc/tree-ssa-structalias.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/gcc/tree-ssa-structalias.c b/gcc/tree-ssa-structalias.c index d7a7dc5..de12380 100644 --- a/gcc/tree-ssa-structalias.c +++ b/gcc/tree-ssa-structalias.c @@ -2943,6 +2943,14 @@ get_constraint_for_ssa_var (tree t, vec<ce_s> *results, bool address_p) if (node && node->alias && node->analyzed) { node = node->ultimate_alias_target (); + /* Canonicalize the PT uid of all aliases to the ultimate target. + ??? Hopefully the set of aliases can't change in a way that + changes the ultimate alias target. */ + gcc_assert ((! DECL_PT_UID_SET_P (node->decl) + || DECL_PT_UID (node->decl) == DECL_UID (node->decl)) + && (! DECL_PT_UID_SET_P (t) + || DECL_PT_UID (t) == DECL_UID (node->decl))); + DECL_PT_UID (t) = DECL_UID (node->decl); t = node->decl; } } |