From: Richard Biener <rguenther@suse.de>
Date: Wed, 18 Sep 2019 11:28:20 +0000 (+0000)
Subject: re PR lto/91763 (go.go-torture/execute/printnil.go FAILs)
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=a3d09469041ab66ee1e12c2f3e4de33c4bf96732;p=gcc.git

re PR lto/91763 (go.go-torture/execute/printnil.go FAILs)

2019-09-18  Richard Biener  <rguenther@suse.de>

	PR lto/91763
	* lto-streamer-in.c (input_eh_regions): Move EH init to
	lto_materialize_function.
	* tree-streamer-in.c (lto_input_ts_function_decl_tree_pointers):
	Likewise.

	lto/
	* lto.c (lto_materialize_function): Initialize EH by looking
	at the function personality and flag_exceptions setting.

From-SVN: r275872
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 57850818f28..1907307c762 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,11 @@
+2019-09-18  Richard Biener  <rguenther@suse.de>
+
+	PR lto/91763
+	* lto-streamer-in.c (input_eh_regions): Move EH init to
+	lto_materialize_function.
+	* tree-streamer-in.c (lto_input_ts_function_decl_tree_pointers):
+	Likewise.
+
 2019-09-18  Richard Sandiford  <richard.sandiford@arm.com>
 
 	* tree-ssa-ccp.c (get_value_for_expr): Check whether CONSTANTs
diff --git a/gcc/lto-streamer-in.c b/gcc/lto-streamer-in.c
index 3158edd4c5f..32b5d5fa50c 100644
--- a/gcc/lto-streamer-in.c
+++ b/gcc/lto-streamer-in.c
@@ -615,11 +615,6 @@ input_eh_regions (class lto_input_block *ib, class data_in *data_in,
 
   lto_tag_check_range (tag, LTO_eh_table, LTO_eh_table);
 
-  /* If the file contains EH regions, then it was compiled with
-     -fexceptions.  In that case, initialize the backend EH
-     machinery.  */
-  lto_init_eh ();
-
   gcc_assert (fn->eh);
 
   root_region = streamer_read_hwi (ib);
diff --git a/gcc/lto/ChangeLog b/gcc/lto/ChangeLog
index 4e68fbf2854..a73cbc4ca9f 100644
--- a/gcc/lto/ChangeLog
+++ b/gcc/lto/ChangeLog
@@ -1,3 +1,9 @@
+2019-09-18  Richard Biener  <rguenther@suse.de>
+
+	PR lto/91763
+	* lto.c (lto_materialize_function): Initialize EH by looking
+	at the function personality and flag_exceptions setting.
+
 2019-08-23  Jakub Jelinek  <jakub@redhat.com>
 
 	PR middle-end/91283
diff --git a/gcc/lto/lto.c b/gcc/lto/lto.c
index 814f03a1777..af3590cdad8 100644
--- a/gcc/lto/lto.c
+++ b/gcc/lto/lto.c
@@ -107,6 +107,12 @@ lto_materialize_function (struct cgraph_node *node)
 	return;
       if (DECL_FUNCTION_PERSONALITY (decl) && !first_personality_decl)
 	first_personality_decl = DECL_FUNCTION_PERSONALITY (decl);
+      /* If the file contains a function with a language specific EH
+	 personality set or with EH enabled initialize the backend EH
+	 machinery.  */
+      if (DECL_FUNCTION_PERSONALITY (decl)
+	  || opt_for_fn (decl, flag_exceptions))
+	lto_init_eh ();
     }
 
   /* Let the middle end know about the function.  */
diff --git a/gcc/tree-streamer-in.c b/gcc/tree-streamer-in.c
index dcd511e4b55..5152d10956b 100644
--- a/gcc/tree-streamer-in.c
+++ b/gcc/tree-streamer-in.c
@@ -802,12 +802,6 @@ lto_input_ts_function_decl_tree_pointers (class lto_input_block *ib,
       }
   }
 #endif
-
-  /* If the file contains a function with an EH personality set,
-     then it was compiled with -fexceptions.  In that case, initialize
-     the backend EH machinery.  */
-  if (DECL_FUNCTION_PERSONALITY (expr))
-    lto_init_eh ();
 }