re PR debug/84637 (gcc/dbxout.c:684:14: runtime error: negation of -92233720368547758...

	PR debug/84637
	* dbxout.c (dbxout_int): Perform negation in unsigned int type.
	(stabstr_D): Change type of unum from unsigned int to
	unsigned HOST_WIDE_INT.  Perform negation in unsigned HOST_WIDE_INT
	type.

From-SVN: r259451

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index bf4f7cc..2d4966d 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,11 @@
+2018-04-17  Jakub Jelinek  <jakub@redhat.com>
+
+       PR debug/84637
+       * dbxout.c (dbxout_int): Perform negation in unsigned int type.
+       (stabstr_D): Change type of unum from unsigned int to
+       unsigned HOST_WIDE_INT.  Perform negation in unsigned HOST_WIDE_INT
+       type.
+
 2018-04-17  Jim Wilson  <jimw@sifive.com>
 
        PR 84856

diff --git a/gcc/dbxout.c b/gcc/dbxout.c
index a77e652..8157536 100644 (file)
--- a/gcc/dbxout.c
+++ b/gcc/dbxout.c
@@ -464,7 +464,7 @@ dbxout_int (int num)
   if (num < 0)
     {
       putc ('-', asm_out_file);
-      unum = -num;
+      unum = -(unsigned int) num;
     }
   else
     unum = num;
@@ -671,7 +671,7 @@ stabstr_D (HOST_WIDE_INT num)
 {
   char buf[64];
   char *p = buf + sizeof buf;
-  unsigned int unum;
+  unsigned HOST_WIDE_INT unum;
 
   if (num == 0)
     {
@@ -681,7 +681,7 @@ stabstr_D (HOST_WIDE_INT num)
   if (num < 0)
     {
       stabstr_C ('-');
-      unum = -num;
+      unum = -(unsigned HOST_WIDE_INT) num;
     }
   else
     unum = num;