From 287edce0090a14fdd88a9e10d13327e74e52831a Mon Sep 17 00:00:00 2001
From: Sverker Eriksson <sverker@erlang.org>
Date: Thu, 5 Jan 2017 20:43:49 +0100
Subject: erts: Fix GC tracing to use temp heap

Can't use HAlloc as it might consume part of callers 'need'.
---
 erts/emulator/beam/erl_gc.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'erts/emulator/beam/erl_gc.c')

diff --git a/erts/emulator/beam/erl_gc.c b/erts/emulator/beam/erl_gc.c
index 50f09277fa..b05209402d 100644
--- a/erts/emulator/beam/erl_gc.c
+++ b/erts/emulator/beam/erl_gc.c
@@ -602,7 +602,7 @@ garbage_collect(Process* p, ErlHeapFragment *live_hf_end,
     Uint reclaimed_now = 0;
     Eterm gc_trace_end_tag;
     int reds;
-    ErtsMonotonicTime start_time = 0; /* Shut up faulty warning... */
+    ErtsMonotonicTime start_time;
     ErtsSchedulerData *esdp;
     erts_aint32_t state;
     ERTS_MSACC_PUSH_STATE_M();
@@ -610,6 +610,7 @@ garbage_collect(Process* p, ErlHeapFragment *live_hf_end,
     DTRACE_CHARBUF(pidbuf, DTRACE_TERM_BUF_SIZE);
 #endif
 
+    ERTS_UNDEF(start_time, 0);
     ERTS_CHK_MBUF_SZ(p);
 
     ASSERT(CONTEXT_REDS - ERTS_REDS_LEFT(p, fcalls)
-- 
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