JIT: Fix unique successors in BBswtDesc in runtime async (#117759)

jakobbotsch · web-flow · commit 94b6d05ad5e6 · 2025-07-17T19:09:06.000+02:00
diff --git a/src/coreclr/jit/async.cpp b/src/coreclr/jit/async.cpp
@@ -2305,8 +2305,8 @@ void AsyncTransformation::CreateResumptionSwitch()
             }
         }
 
-        BBswtDesc* const swtDesc =
-            new (m_comp, CMK_BasicBlock) BBswtDesc(cases, (unsigned)numCases, succs, numUniqueSuccs, true);
+        BBswtDesc* const swtDesc = new (m_comp, CMK_BasicBlock)
+            BBswtDesc(succs, numUniqueSuccs, cases, (unsigned)numCases, /* hasDefault */ true);
         switchBB->SetSwitch(swtDesc);
     }
 

Original file line number	Diff line number	Diff line change
`@@ -2305,8 +2305,8 @@ void AsyncTransformation::CreateResumptionSwitch()`
`2305`	`2305`	`}`
`2306`	`2306`	`}`
`2307`	`2307`
`2308`		`- BBswtDesc* const swtDesc =`
`2309`		`- new (m_comp, CMK_BasicBlock) BBswtDesc(cases, (unsigned)numCases, succs, numUniqueSuccs, true);`
	`2308`	`+ BBswtDesc* const swtDesc = new (m_comp, CMK_BasicBlock)`
	`2309`	`+ BBswtDesc(succs, numUniqueSuccs, cases, (unsigned)numCases, /* hasDefault */ true);`
`2310`	`2310`	`switchBB->SetSwitch(swtDesc);`
`2311`	`2311`	`}`
`2312`	`2312`