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-rw-r--r--gcc/ChangeLog6
-rw-r--r--gcc/ipa-prop.c2
2 files changed, 7 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 3f398f4..1286f16 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,5 +1,11 @@
2017-02-21 Martin Jambor <mjambor@suse.cz>
+ PR lto/79579
+ * ipa-prop.c (ipa_prop_write_jump_functions): Bail out if no edges
+ have been analyzed.
+
+2017-02-21 Martin Jambor <mjambor@suse.cz>
+
* common.opt (-fipa-cp-alignment): Mark as ignored and preserved
for backward compatibility only.
* doc/invoke.texi (Option Summary): Remove all references to
diff --git a/gcc/ipa-prop.c b/gcc/ipa-prop.c
index e4e44ce..33503d4 100644
--- a/gcc/ipa-prop.c
+++ b/gcc/ipa-prop.c
@@ -5040,7 +5040,7 @@ ipa_prop_write_jump_functions (void)
lto_symtab_encoder_iterator lsei;
lto_symtab_encoder_t encoder;
- if (!ipa_node_params_sum)
+ if (!ipa_node_params_sum || !ipa_edge_args_vector)
return;
ob = create_output_block (LTO_section_jump_functions);