From: Richard Biener <rguenther@suse.de>
Date: Mon, 29 Apr 2019 17:53:36 +0000 (+0000)
Subject: re PR tree-optimization/90278 (ICE: verify_gimple failed (error: statement marked... 
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=1978e62d47c8808f0535e7d69f3de64186e80e0e;p=gcc.git

re PR tree-optimization/90278 (ICE: verify_gimple failed (error: statement marked for throw, but doesn't))

2019-04-29  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/90278
	* tree-ssa-forwprop.c (pass_forwprop::execute): Transfer/clean
	EH on comparison simplification.

	* gcc.dg/torture/pr90278.c: New testcase.

From-SVN: r270657
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index b4554f60269..d6adeda090d 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2019-04-29  Richard Biener  <rguenther@suse.de>
+
+	PR tree-optimization/90278
+	* tree-ssa-forwprop.c (pass_forwprop::execute): Transfer/clean
+	EH on comparison simplification.
+
 2019-04-29  Jason Merrill  <jason@redhat.com>
 
 	PR c++/82081 - tail call optimization breaks noexcept
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 6ceb81cd1b0..4089febb09c 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2019-04-29  Richard Biener  <rguenther@suse.de>
+
+	PR tree-optimization/90278
+	* gcc.dg/torture/pr90278.c: New testcase.
+
 2019-04-27  Jakub Jelinek  <jakub@redhat.com>
 
 	PR c++/90173
diff --git a/gcc/testsuite/gcc.dg/torture/pr90278.c b/gcc/testsuite/gcc.dg/torture/pr90278.c
new file mode 100644
index 00000000000..617246a6d4c
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/torture/pr90278.c
@@ -0,0 +1,13 @@
+/* { dg-do compile } */
+/* { dg-additional-options "-fexceptions -fnon-call-exceptions" } */
+
+double
+hc (void)
+{
+  double dp = 0.0;
+  double ek[1];
+
+  ek[0] = 1.0 / dp < 0.0;
+
+  return ek[0];
+}
diff --git a/gcc/tree-ssa-forwprop.c b/gcc/tree-ssa-forwprop.c
index eeb6281c652..bbfa1bc6fae 100644
--- a/gcc/tree-ssa-forwprop.c
+++ b/gcc/tree-ssa-forwprop.c
@@ -2496,6 +2496,8 @@ pass_forwprop::execute (function *fun)
 		  {
 		    int did_something;
 		    did_something = forward_propagate_into_comparison (&gsi);
+		    if (maybe_clean_or_replace_eh_stmt (stmt, gsi_stmt (gsi)))
+		      bitmap_set_bit (to_purge, bb->index);
 		    if (did_something == 2)
 		      cfg_changed = true;
 		    changed = did_something != 0;