Clear DF info for variables assigned in 'try' #KT-17929 Fixed

compiler/testData/diagnostics/tests/smartCasts/varnotnull/setNotNullInTry.kt

@@ -1,3 +1,5 @@
+// !LANGUAGE: +SoundSmartCastsAfterTry
+
 fun bar(arg: Any?) = arg
 
 fun foo() {
@@ -6,7 +8,7 @@ fun foo() {
     try {
         s = "Test"
     } catch (ex: Exception) {}
-    bar(<!DEBUG_INFO_CONSTANT!>s<!>)
-    if (<!SENSELESS_COMPARISON!><!DEBUG_INFO_CONSTANT!>s<!> != null<!>) { }
-    <!DEBUG_INFO_CONSTANT!>s<!><!UNSAFE_CALL!>.<!>hashCode()
+    bar(s)
+    if (s != null) { }
+    s<!UNSAFE_CALL!>.<!>hashCode()
 }

compiler/testData/diagnostics/tests/smartCasts/varnotnull/setNullInTry.kt

@@ -1,8 +1,10 @@
+// !LANGUAGE: +SoundSmartCastsAfterTry
+
 fun foo() {
     var s: String?
     s = "Test"
     try {
         s = null
     } catch (ex: Exception) {}
-    <!DEBUG_INFO_SMARTCAST!>s<!>.hashCode()
+    s<!UNSAFE_CALL!>.<!>hashCode()
 }

compiler/testData/diagnostics/tests/smartCasts/varnotnull/setNullInTryFinally.kt

@@ -1,3 +1,5 @@
+// !LANGUAGE: +SoundSmartCastsAfterTry
+
 fun bar() {}
 
 fun foo() {
@@ -10,5 +12,5 @@ fun foo() {
     finally {
         bar()
     }
-    <!DEBUG_INFO_SMARTCAST!>s<!>.hashCode()
+    s<!UNSAFE_CALL!>.<!>hashCode()
 }

compiler/testData/diagnostics/tests/smartCasts/varnotnull/setNullInTryUnsound.kt

@@ -0,0 +1,8 @@
+fun foo() {
+    var s: String?
+    s = "Test"
+    try {
+        s = null
+    } catch (ex: Exception) {}
+    <!DEBUG_INFO_SMARTCAST!>s<!>.hashCode()
+}

compiler/testData/diagnostics/tests/smartCasts/varnotnull/setNullInTryUnsound.txt

@@ -0,0 +1,3 @@
+package
+
+public fun foo(): kotlin.Unit

compiler/testData/diagnostics/tests/smartCasts/varnotnull/setSameInTry.kt

@@ -1,8 +1,11 @@
+// !LANGUAGE: +SoundSmartCastsAfterTry
+
 fun foo() {
     var s: String?
     s = "Test"
     try {
         s = "Other"
     } catch (ex: Exception) {}
-    <!DEBUG_INFO_SMARTCAST!>s<!>.hashCode()
+    // Problem: here we do not see that 's' is always not-null
+    s<!UNSAFE_CALL!>.<!>hashCode()
 }