From: Jakub Jelinek <jakub@redhat.com>
Date: Fri, 15 Mar 2019 08:00:46 +0000 (+0100)
Subject: re PR debug/89704 (ICE in add_const_value_attribute, at dwarf2out.c:19685)
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=8eb2215d8dc2662c3edad179b842097e0dce2722;p=gcc.git

re PR debug/89704 (ICE in add_const_value_attribute, at dwarf2out.c:19685)

	PR debug/89704
	* dwarf2out.c (add_const_value_attribute): Return false for MINUS,
	SIGN_EXTEND and ZERO_EXTEND.

	* gcc.dg/debug/pr89704.c: New test.

From-SVN: r269700
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 394271f8bc2..5bd943b27fe 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2019-03-15  Jakub Jelinek  <jakub@redhat.com>
+
+	PR debug/89704
+	* dwarf2out.c (add_const_value_attribute): Return false for MINUS,
+	SIGN_EXTEND and ZERO_EXTEND.
+
 2019-03-14  Jason Merrill  <jason@redhat.com>
 	    Jakub Jelinek  <jakub@redhat.com>
 
diff --git a/gcc/dwarf2out.c b/gcc/dwarf2out.c
index c9f1e31014c..d9cefd3e1d3 100644
--- a/gcc/dwarf2out.c
+++ b/gcc/dwarf2out.c
@@ -19670,6 +19670,9 @@ add_const_value_attribute (dw_die_ref die, rtx rtl)
 
     case HIGH:
     case CONST_FIXED:
+    case MINUS:
+    case SIGN_EXTEND:
+    case ZERO_EXTEND:
       return false;
 
     case MEM:
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 8f7288ed5b2..8780192ddd2 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2019-03-15  Jakub Jelinek  <jakub@redhat.com>
+
+	PR debug/89704
+	* gcc.dg/debug/pr89704.c: New test.
+
 2019-03-15  H.J. Lu  <hongjiu.lu@intel.com>
 
 	PR target/89650
diff --git a/gcc/testsuite/gcc.dg/debug/pr89704.c b/gcc/testsuite/gcc.dg/debug/pr89704.c
new file mode 100644
index 00000000000..4a8cf4fa456
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/debug/pr89704.c
@@ -0,0 +1,14 @@
+/* PR debug/89704 */
+/* { dg-do compile } */
+
+typedef __INTPTR_TYPE__ intptr_t;
+
+int
+foo (void)
+{
+  lab1:;
+  lab2:;
+  static int i = (intptr_t) &&lab1 - (intptr_t) &&lab2;
+  static int j = (intptr_t) &&lab1 - (intptr_t) &&lab2;
+  return i;
+}