From: Uros Bizjak <ubizjak@gmail.com>
Date: Thu, 10 Oct 2019 17:45:40 +0000 (+0200)
Subject: re PR target/92022 (ICE in alpha_handle_trap_shadows, at config/alpha/alpha.c:8847)
X-Git-Tag: releases/gcc-9.3.0~561
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=082b25fb77f6f1fdb104c5f2d62ae5ef7ff1bb98;p=thirdparty%2Fgcc.git

re PR target/92022 (ICE in alpha_handle_trap_shadows, at config/alpha/alpha.c:8847)

	PR target/92022
	* config/alpha/alpha.c (alpha_handle_trap_shadows): Skip DEBUG_INSN.

testsuite/ChangeLog:

	PR target/92022
	* g++.dg/pr92022.C: New test.

From-SVN: r276844
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 12fecd817f58..684245cf3b76 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2019-10-10  Uroš Bizjak  <ubizjak@gmail.com>
+
+	PR target/92022
+	* config/alpha/alpha.c (alpha_handle_trap_shadows): Skip DEBUG_INSN.
+
 2019-10-10  Oleg Endo  <olegendo@gcc.gnu.org>
 
 	Backport from mainline
diff --git a/gcc/config/alpha/alpha.c b/gcc/config/alpha/alpha.c
index 984540f0b530..524379d37636 100644
--- a/gcc/config/alpha/alpha.c
+++ b/gcc/config/alpha/alpha.c
@@ -8839,6 +8839,9 @@ alpha_handle_trap_shadows (void)
 		    case CODE_LABEL:
 		      goto close_shadow;
 
+		    case DEBUG_INSN:
+		      break;
+
 		    default:
 		      gcc_unreachable ();
 		    }
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index a308c86d5d6e..bbd614a286ee 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2019-10-10  Uroš Bizjak  <ubizjak@gmail.com>
+
+	PR target/92022
+	* g++.dg/pr92022.C: New test.
+
 2019-10-07  Thomas Koenig <tkoenig@gcc.gnu.org>
 
 	Backport from trunk
diff --git a/gcc/testsuite/g++.dg/pr92022.C b/gcc/testsuite/g++.dg/pr92022.C
new file mode 100644
index 000000000000..066d984ffc58
--- /dev/null
+++ b/gcc/testsuite/g++.dg/pr92022.C
@@ -0,0 +1,13 @@
+// { dg-do compile { target alpha*-*-* } }
+// { dg-options "-O1 -g -fno-var-tracking -mcpu=ev4 -mieee" }
+
+struct a {
+  a(long);
+};
+long b;
+void c() {
+  a d(1);
+  double e = b;
+  for (; b;)
+    d = e;
+}