Generic type arguments inference for lambdas as suspend functions.

compiler/testData/diagnostics/tests/coroutines/suspendFunctionType/functionVsSuspendFunction.kt

@@ -14,4 +14,4 @@ fun test4(): suspend () -> Unit = useSuspendFn {}
 
 fun test5(sfn: suspend () -> Unit) = ambiguous(sfn)
 fun test6(fn: () -> Unit) = ambiguous(fn)
-fun test7(): () -> Unit = ambiguous {}
+fun test7(): () -> Unit = <!OVERLOAD_RESOLUTION_AMBIGUITY!>ambiguous<!> {}

compiler/testData/diagnostics/tests/coroutines/suspendFunctionType/inference1.kt

@@ -0,0 +1,7 @@
+// !DIAGNOSTICS: -UNUSED_PARAMETER
+
+fun <T> withS(x: T, sfn: suspend (T) -> Unit) = x
+
+val test1 = withS(100) {}
+
+fun <TT> test2(x: TT) = withS(x) {}

compiler/testData/diagnostics/tests/coroutines/suspendFunctionType/inference1.txt

@@ -0,0 +1,5 @@
+package
+
+public val test1: kotlin.Int
+public fun </*0*/ TT> test2(/*0*/ x: TT): TT
+public fun </*0*/ T> withS(/*0*/ x: T, /*1*/ sfn: suspend (T) -> kotlin.Unit): T

compiler/testData/diagnostics/tests/coroutines/suspendFunctionType/inference2.kt

@@ -0,0 +1,5 @@
+// !DIAGNOSTICS: -UNUSED_PARAMETER
+
+fun <T1, T2> withS2(x: T1, sfn1: suspend (T1) -> T2, sfn2: suspend (T2) -> Unit): T2 = null!!
+
+val test1 = withS2(100, { "" }, { })

compiler/testData/diagnostics/tests/coroutines/suspendFunctionType/inference2.txt

@@ -0,0 +1,4 @@
+package
+
+public val test1: kotlin.String
+public fun </*0*/ T1, /*1*/ T2> withS2(/*0*/ x: T1, /*1*/ sfn1: suspend (T1) -> T2, /*2*/ sfn2: suspend (T2) -> kotlin.Unit): T2