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-rw-r--r--gcc/ipa-prop.c11
1 files changed, 7 insertions, 4 deletions
diff --git a/gcc/ipa-prop.c b/gcc/ipa-prop.c
index af2e22392b0..f8a1ca4f3d4 100644
--- a/gcc/ipa-prop.c
+++ b/gcc/ipa-prop.c
@@ -2359,10 +2359,13 @@ update_jump_functions_after_inlining (struct cgraph_edge *cs,
dst->type = IPA_JF_UNKNOWN;
break;
case IPA_JF_KNOWN_TYPE:
- ipa_set_jf_known_type (dst,
- ipa_get_jf_known_type_offset (src),
- ipa_get_jf_known_type_base_type (src),
- ipa_get_jf_known_type_base_type (src));
+ if (ipa_get_jf_pass_through_type_preserved (dst))
+ ipa_set_jf_known_type (dst,
+ ipa_get_jf_known_type_offset (src),
+ ipa_get_jf_known_type_base_type (src),
+ ipa_get_jf_known_type_base_type (src));
+ else
+ dst->type = IPA_JF_UNKNOWN;
break;
case IPA_JF_CONST:
ipa_set_jf_cst_copy (dst, src);