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* [PATCH] analyzer: fix uninitialized bitmap [PR112955]
@ 2023-12-11 21:22 David Malcolm
  0 siblings, 0 replies; only message in thread
From: David Malcolm @ 2023-12-11 21:22 UTC (permalink / raw)
  To: gcc-patches; +Cc: David Malcolm

In r14-5566-g841008d3966c0f I added a new ctor for
feasibility_state, but failed to call bitmap_clear
on m_snodes_visited.

Fixed thusly.

Successfully bootstrapped & regrtested on x86_64-pc-linux-gnu.
Verified fix manually with valgrind on gcc.dg/analyzer/data-model-20.c.
Pushed to trunk as r14-6434-g6008b80b25d718.

gcc/analyzer/ChangeLog:
	PR analyzer/112955
	* engine.cc (feasibility_state::feasibility_state): Initialize
	m_snodes_visited.
---
 gcc/analyzer/engine.cc | 1 +
 1 file changed, 1 insertion(+)

diff --git a/gcc/analyzer/engine.cc b/gcc/analyzer/engine.cc
index 1f930a21eb37..03750815939a 100644
--- a/gcc/analyzer/engine.cc
+++ b/gcc/analyzer/engine.cc
@@ -4870,6 +4870,7 @@ feasibility_state::feasibility_state (const region_model &model,
 : m_model (model),
   m_snodes_visited (sg.m_nodes.length ())
 {
+  bitmap_clear (m_snodes_visited);
 }
 
 feasibility_state &
-- 
2.26.3


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2023-12-11 21:22 [PATCH] analyzer: fix uninitialized bitmap [PR112955] David Malcolm

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