[geos-commits] [SCM] GEOS branch 3.9 updated. 0d3e09cc31101a7bd58051add7db0ce0aef6b6f5

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- Log -----------------------------------------------------------------
commit 0d3e09cc31101a7bd58051add7db0ce0aef6b6f5
Author: Paul Ramsey <pramsey at cleverelephant.ca>
Date:   Wed Aug 25 15:42:37 2021 -0700

    Sanitize fix to ensure stack allocated envelope is available to edgeNodingBuilder, closes https://github.com/libgeos/geos/issues/476

diff --git a/src/operation/overlayng/OverlayNG.cpp b/src/operation/overlayng/OverlayNG.cpp
index 3393b84..ea8d867 100644
--- a/src/operation/overlayng/OverlayNG.cpp
+++ b/src/operation/overlayng/OverlayNG.cpp
@@ -211,11 +211,13 @@ OverlayNG::computeEdgeOverlay()
      * Formerly in nodeEdges())
      */
     EdgeNodingBuilder nodingBuilder(pm, noder);
+    // clipEnv not always used, but needs to remain in scope
+    // as long as nodingBuilder when it is.
+    Envelope clipEnv;
 
     GEOS_CHECK_FOR_INTERRUPTS();
 
     if (isOptimized) {
-        Envelope clipEnv;
         bool gotClipEnv = OverlayUtil::clippingEnvelope(opCode, &inputGeom, pm, clipEnv);
         if (gotClipEnv) {
             nodingBuilder.setClipEnvelope(&clipEnv);

-----------------------------------------------------------------------

Summary of changes:
 src/operation/overlayng/OverlayNG.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)


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