re PR ipa/80565 (ICE at -O2 and -O3 in 32-bit mode (not 64-bit) on…

re PR ipa/80565 (ICE at -O2 and -O3 in 32-bit mode (not 64-bit) on x86_64-linux-gnu (in edge_badness, at ipa-inline.c:1028))

2017-06-29  Yury Gribov  <tetra2005@gmail.com>

	PR bootstrap/80565
        * ipa-cp.c (allocate_and_init_ipcp_value): Add initialization
	code.
        * ipa-inline.h
	(edge_growth_cache_entry::edge_growth_cache_entry): New
	function.
        (reset_edge_growth_cache): Update to use constructor.

From-SVN: r249771

gcc/ChangeLog

+2017-06-29  Yury Gribov  <tetra2005@gmail.com>
+
+	PR bootstrap/80565
+        * ipa-cp.c (allocate_and_init_ipcp_value): Add initialization
+	code.
+        * ipa-inline.h
+	(edge_growth_cache_entry::edge_growth_cache_entry): New
+	function.
+        (reset_edge_growth_cache): Update to use constructor.
+
 2017-06-28  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
 
 	* config/aarch64/aarch64.h (AARCH64_EXPAND_ALIGNMENT): New.

gcc/ipa-cp.c

@@ -159,6 +159,10 @@ public:
   /* Time benefit and size cost that specializing the function for this value
      can bring about in it's callees (transitively).  */
   int prop_time_benefit, prop_size_cost;
+
+  ipcp_value_base ()
+    : local_time_benefit (0), local_size_cost (0),
+      prop_time_benefit (0), prop_size_cost (0) {}
 };
 
 /* Describes one particular value stored in struct ipcp_lattice.  */
@@ -188,6 +192,10 @@ public:
   /* True if this valye is currently on the topo-sort stack.  */
   bool on_stack;
 
+  ipcp_value()
+    : sources (0), next (0), scc_next (0), topo_next (0),
+      spec_node (0), dfs (0), low_link (0), on_stack (false) {}
+
   void add_source (cgraph_edge *cs, ipcp_value *src_val, int src_idx,
 		   HOST_WIDE_INT offset);
 };

gcc/ipa-inline.h

@@ -28,6 +28,14 @@ struct edge_growth_cache_entry
   sreal time, nonspec_time;
   int size;
   ipa_hints hints;
+
+  edge_growth_cache_entry()
+    : size (0), hints (0) {}
+
+  edge_growth_cache_entry(int64_t time, int64_t nonspec_time,
+			  int size, ipa_hints hints)
+    : time (time), nonspec_time (nonspec_time), size (size),
+      hints (hints) {}
 };
 
 extern vec<edge_growth_cache_entry> edge_growth_cache;
@@ -116,7 +124,7 @@ reset_edge_growth_cache (struct cgraph_edge *edge)
 {
   if ((int)edge_growth_cache.length () > edge->uid)
     {
-      struct edge_growth_cache_entry zero = {0, 0, 0, 0};
+      struct edge_growth_cache_entry zero (0, 0, 0, 0);
       edge_growth_cache[edge->uid] = zero;
     }
 }