From 3b496f3b543e06696ff57ddc42cace6e666caae4 Mon Sep 17 00:00:00 2001
From: Svyatoslav Scherbina <svyatoslav.scherbina@jetbrains.com>
Date: Thu, 18 Jun 2020 18:16:31 +0300
Subject: [PATCH] Fix coverage for else branch in deserialized IR

---
 .../backend/konan/llvm/coverage/CoverageRegionCollector.kt    | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/llvm/coverage/CoverageRegionCollector.kt b/backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/llvm/coverage/CoverageRegionCollector.kt
index 9b2fd13d317..f5466a155c4 100644
--- a/backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/llvm/coverage/CoverageRegionCollector.kt
+++ b/backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/llvm/coverage/CoverageRegionCollector.kt
@@ -141,7 +141,9 @@ private class IrFunctionRegionsCollector(
             val condition = it.condition
             val result = it.result
 
-            if (it is IrElseBranch) {
+            if (condition is IrConst<*> && condition.value == true && condition.endOffset == result.endOffset) {
+                // Probably an 'else' branch.
+                // Note: can't rely on [IrElseBranch], because IR deserializer doesn't emit it.
                 recordRegion(result)
             } else {
                 recordRegion(condition)