From: Richard Henderson <rth@redhat.com>
Date: Mon, 25 Jul 2011 03:18:13 +0000 (-0700)
Subject: re PR debug/49827 (sparc64-linux and cris-elf bootstrap failures due to ICE in dwarf2... 
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=3382318ac8a06d22910426545aa61c1ecd47fd39;p=gcc.git

re PR debug/49827 (sparc64-linux and cris-elf bootstrap failures due to ICE in dwarf2cfi.c connect_traces)

PR debug/49827
        * dwarf2cfi.c (create_trace_edges): Handle sequences properly.

From-SVN: r176728
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index ab089e504b4..4fc18eeed46 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2011-07-24  Richard Henderson  <rth@redhat.com>
+
+	PR debug/49827
+	* dwarf2cfi.c (create_trace_edges): Handle sequences properly.
+
 2011-07-24  Richard Henderson  <rth@redhat.com>
 
 	* dwarf2cfi.c (maybe_record_trace_start): Add abnormal parameter.
diff --git a/gcc/dwarf2cfi.c b/gcc/dwarf2cfi.c
index fd5f680f682..9e64de67ec0 100644
--- a/gcc/dwarf2cfi.c
+++ b/gcc/dwarf2cfi.c
@@ -2507,6 +2507,14 @@ create_trace_edges (rtx insn)
 	for (lab = nonlocal_goto_handler_labels; lab; lab = XEXP (lab, 1))
 	  maybe_record_trace_start (XEXP (lab, 0), insn, true);
     }
+  else if (GET_CODE (PATTERN (insn)) == SEQUENCE)
+    {
+      rtx seq = PATTERN (insn);
+      int i, n = XVECLEN (seq, 0);
+      for (i = 0; i < n; ++i)
+	create_trace_edges (XVECEXP (seq, 0, i));
+      return;
+    }
 
   /* Process EH edges.  */
   if (CALL_P (insn) || cfun->can_throw_non_call_exceptions)