Initialize nextRefPosition (#97169)

jkoritzinsky · web-flow · commit 6fe8ff295f01 · 2024-01-18T16:31:35.000-08:00
diff --git a/src/coreclr/jit/lsraarm64.cpp b/src/coreclr/jit/lsraarm64.cpp
@@ -37,7 +37,7 @@ XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
 RefPosition* LinearScan::getNextConsecutiveRefPosition(RefPosition* refPosition)
 {
     assert(compiler->info.compNeedsConsecutiveRegisters);
-    RefPosition* nextRefPosition;
+    RefPosition* nextRefPosition = nullptr;
     assert(refPosition->needsConsecutive);
     nextConsecutiveRefPositionMap->Lookup(refPosition, &nextRefPosition);
     assert((nextRefPosition == nullptr) || nextRefPosition->needsConsecutive);

Original file line number	Diff line number	Diff line change
`@@ -37,7 +37,7 @@ XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX`
`37`	`37`	`RefPosition* LinearScan::getNextConsecutiveRefPosition(RefPosition* refPosition)`
`38`	`38`	`{`
`39`	`39`	`assert(compiler->info.compNeedsConsecutiveRegisters);`
`40`		`- RefPosition* nextRefPosition;`
	`40`	`+ RefPosition* nextRefPosition = nullptr;`
`41`	`41`	`assert(refPosition->needsConsecutive);`
`42`	`42`	`nextConsecutiveRefPositionMap->Lookup(refPosition, &nextRefPosition);`
`43`	`43`	`assert((nextRefPosition == nullptr) \|\| nextRefPosition->needsConsecutive);`