re PR lto/54598 (ICE: Segmentation fault in lto1 at tree-streamer-in.c:unpack_ts_fixe...

	PR lto/54598
	* tree-streamer-in.c (unpack_ts_real_cst_value_fields): Use ggc'ed
	FIXED_VALUE_TYPE instead of struct fixed_value.

From-SVN: r191394

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index c1ba2e5b74319aa7b1197ff0360ec30e0287f92d..d0a6303768e50854e608cb97db0066ce41841bd8 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2012-09-17  Georg-Johann Lay  <avr@gjlay.de>
+
+       PR lto/54598
+       * tree-streamer-in.c (unpack_ts_real_cst_value_fields): Use ggc'ed
+       FIXED_VALUE_TYPE instead of struct fixed_value.
+
 2012-09-17  Georg-Johann Lay  <avr@gjlay.de>
 
        * config/avr/avr.c (CONST_FIXED_P): Remove define.

diff --git a/gcc/tree-streamer-in.c b/gcc/tree-streamer-in.c
index a38fb470b1f88a4d2a70e9cc43976188e96a24b7..5f9f7a2fef700abbc36c94521f193996eb2e3a9c 100644 (file)
--- a/gcc/tree-streamer-in.c
+++ b/gcc/tree-streamer-in.c
@@ -172,12 +172,11 @@ unpack_ts_real_cst_value_fields (struct bitpack_d *bp, tree expr)
 static void
 unpack_ts_fixed_cst_value_fields (struct bitpack_d *bp, tree expr)
 {
-  struct fixed_value fv;
-
-  fv.mode = bp_unpack_enum (bp, machine_mode, MAX_MACHINE_MODE);
-  fv.data.low = bp_unpack_var_len_int (bp);
-  fv.data.high = bp_unpack_var_len_int (bp);
-  TREE_FIXED_CST (expr) = fv;
+  FIXED_VALUE_TYPE *fp = ggc_alloc_fixed_value ();
+  fp->mode = bp_unpack_enum (bp, machine_mode, MAX_MACHINE_MODE);
+  fp->data.low = bp_unpack_var_len_int (bp);
+  fp->data.high = bp_unpack_var_len_int (bp);
+  TREE_FIXED_CST_PTR (expr) = fp;
 }