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 12fecd817f58fea0b0954a73f919819d6904f286..684245cf3b76b34a4e215ceca4cef5557c4143cd 100644 (file)
--- 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 984540f0b5309b2c1b48753b85d879551af36113..524379d376365c802f54a0b5a85a3dc3fcd6083c 100644 (file)
--- 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 a308c86d5d6e892e11877dc35b329ad3d22c3ab0..bbd614a286ee9d9d3c8c5870279cc778c133098a 100644 (file)
--- 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 (file)
index 0000000..066d984
--- /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;
+}