Character literals and string templates.

compiler/testData/ir/irText/expressions/literals.kt

@@ -9,4 +9,5 @@ val test8 = -1L
 val test9 = 1.0
 val test10 = -1.0
 val test11 = 1.0f
-val test12 = -1.0f
+val test12 = -1.0f
+val test13 = 'a'

compiler/testData/ir/irText/expressions/literals.txt

@@ -35,3 +35,6 @@ FILE /literals.kt
   PROPERTY public val test12: kotlin.Float = -1.0.toFloat() getter=null setter=null
     EXPRESSION_BODY
       CONST Float type=kotlin.Float value='-1.0'
+  PROPERTY public val test13: kotlin.Char = \u0061 ('a') getter=null setter=null
+    EXPRESSION_BODY
+      CONST Char type=kotlin.Char value='a'

compiler/testData/ir/irText/expressions/stringTemplates.kt

@@ -0,0 +1,10 @@
+fun foo(): String = ""
+
+val test1 = ""
+val test2 = "abc"
+val test3 = """"""
+val test4 = """abc"""
+val test5 = """
+abc
+"""
+val test6 = "$test1 ${foo()}"

compiler/testData/ir/irText/expressions/stringTemplates.txt

@@ -0,0 +1,33 @@
+FILE /stringTemplates.kt
+  FUN public fun foo(): kotlin.String
+    BLOCK_BODY
+      RETURN type=kotlin.Nothing from=foo
+        CONST String type=kotlin.String value=''
+  PROPERTY public val test1: kotlin.String = "" getter=null setter=null
+    EXPRESSION_BODY
+      CONST String type=kotlin.String value=''
+  PROPERTY public val test2: kotlin.String = "abc" getter=null setter=null
+    EXPRESSION_BODY
+      CONST String type=kotlin.String value='abc'
+  PROPERTY public val test3: kotlin.String = "" getter=null setter=null
+    EXPRESSION_BODY
+      CONST String type=kotlin.String value=''
+  PROPERTY public val test4: kotlin.String = "abc" getter=null setter=null
+    EXPRESSION_BODY
+      CONST String type=kotlin.String value='abc'
+  PROPERTY public val test5: kotlin.String = "
+abc
+" getter=null setter=null
+    EXPRESSION_BODY
+      STRING_CONCATENATION type=kotlin.String
+        CONST String type=kotlin.String value='
+'
+        CONST String type=kotlin.String value='abc'
+        CONST String type=kotlin.String value='
+'
+  PROPERTY public val test6: kotlin.String getter=null setter=null
+    EXPRESSION_BODY
+      STRING_CONCATENATION type=kotlin.String
+        CALL .<get-test1> type=kotlin.String operator=GET_PROPERTY
+        CONST String type=kotlin.String value=' '
+        CALL .foo type=kotlin.String operator=null