[FIR] do not fail when Continuation classes not found in classpath

analysis/analysis-api-fe10/tests-gen/org/jetbrains/kotlin/analysis/api/fe10/test/cases/generated/cases/components/psiTypeProvider/Fe10IdeNormalAnalysisSourceModuleAnalysisApiPsiTypeProviderTestGenerated.java

@@ -87,4 +87,16 @@ public class Fe10IdeNormalAnalysisSourceModuleAnalysisApiPsiTypeProviderTestGene
     public void testLocalClass_memberFunction() throws Exception {
         runTest("analysis/analysis-api/testData/components/psiTypeProvider/psiType/forDeclaration/localClass_memberFunction.kt");
     }
+
+    @Test
+    @TestMetadata("suspendFunctionValueParameterNoStdlib.kt")
+    public void testSuspendFunctionValueParameterNoStdlib() throws Exception {
+        runTest("analysis/analysis-api/testData/components/psiTypeProvider/psiType/forDeclaration/suspendFunctionValueParameterNoStdlib.kt");
+    }
+
+    @Test
+    @TestMetadata("suspendFunctionValueParameterWithStdlib.kt")
+    public void testSuspendFunctionValueParameterWithStdlib() throws Exception {
+        runTest("analysis/analysis-api/testData/components/psiTypeProvider/psiType/forDeclaration/suspendFunctionValueParameterWithStdlib.kt");
+    }
 }

analysis/analysis-api-fir/tests-gen/org/jetbrains/kotlin/analysis/api/fir/test/cases/generated/cases/components/psiTypeProvider/FirIdeDependentAnalysisSourceModuleAnalysisApiPsiTypeProviderTestGenerated.java

@@ -87,4 +87,16 @@ public class FirIdeDependentAnalysisSourceModuleAnalysisApiPsiTypeProviderTestGe
     public void testLocalClass_memberFunction() throws Exception {
         runTest("analysis/analysis-api/testData/components/psiTypeProvider/psiType/forDeclaration/localClass_memberFunction.kt");
     }
+
+    @Test
+    @TestMetadata("suspendFunctionValueParameterNoStdlib.kt")
+    public void testSuspendFunctionValueParameterNoStdlib() throws Exception {
+        runTest("analysis/analysis-api/testData/components/psiTypeProvider/psiType/forDeclaration/suspendFunctionValueParameterNoStdlib.kt");
+    }
+
+    @Test
+    @TestMetadata("suspendFunctionValueParameterWithStdlib.kt")
+    public void testSuspendFunctionValueParameterWithStdlib() throws Exception {
+        runTest("analysis/analysis-api/testData/components/psiTypeProvider/psiType/forDeclaration/suspendFunctionValueParameterWithStdlib.kt");
+    }
 }

analysis/analysis-api-fir/tests-gen/org/jetbrains/kotlin/analysis/api/fir/test/cases/generated/cases/components/psiTypeProvider/FirIdeNormalAnalysisSourceModuleAnalysisApiPsiTypeProviderTestGenerated.java

@@ -87,4 +87,16 @@ public class FirIdeNormalAnalysisSourceModuleAnalysisApiPsiTypeProviderTestGener
     public void testLocalClass_memberFunction() throws Exception {
         runTest("analysis/analysis-api/testData/components/psiTypeProvider/psiType/forDeclaration/localClass_memberFunction.kt");
     }
+
+    @Test
+    @TestMetadata("suspendFunctionValueParameterNoStdlib.kt")
+    public void testSuspendFunctionValueParameterNoStdlib() throws Exception {
+        runTest("analysis/analysis-api/testData/components/psiTypeProvider/psiType/forDeclaration/suspendFunctionValueParameterNoStdlib.kt");
+    }
+
+    @Test
+    @TestMetadata("suspendFunctionValueParameterWithStdlib.kt")
+    public void testSuspendFunctionValueParameterWithStdlib() throws Exception {
+        runTest("analysis/analysis-api/testData/components/psiTypeProvider/psiType/forDeclaration/suspendFunctionValueParameterWithStdlib.kt");
+    }
 }

analysis/analysis-api-standalone/tests-gen/org/jetbrains/kotlin/analysis/api/standalone/fir/test/cases/generated/cases/components/psiTypeProvider/FirStandaloneNormalAnalysisSourceModuleAnalysisApiPsiTypeProviderTestGenerated.java

@@ -87,4 +87,16 @@ public class FirStandaloneNormalAnalysisSourceModuleAnalysisApiPsiTypeProviderTe
     public void testLocalClass_memberFunction() throws Exception {
         runTest("analysis/analysis-api/testData/components/psiTypeProvider/psiType/forDeclaration/localClass_memberFunction.kt");
     }
+
+    @Test
+    @TestMetadata("suspendFunctionValueParameterNoStdlib.kt")
+    public void testSuspendFunctionValueParameterNoStdlib() throws Exception {
+        runTest("analysis/analysis-api/testData/components/psiTypeProvider/psiType/forDeclaration/suspendFunctionValueParameterNoStdlib.kt");
+    }
+
+    @Test
+    @TestMetadata("suspendFunctionValueParameterWithStdlib.kt")
+    public void testSuspendFunctionValueParameterWithStdlib() throws Exception {
+        runTest("analysis/analysis-api/testData/components/psiTypeProvider/psiType/forDeclaration/suspendFunctionValueParameterWithStdlib.kt");
+    }
 }

analysis/analysis-api/testData/components/psiTypeProvider/psiType/forDeclaration/suspendFunctionValueParameterNoStdlib.kt

@@ -0,0 +1,2 @@
+// NO_RUNTIME
+fun foo(<caret>p :suspend (Int) -> Unit) {}

analysis/analysis-api/testData/components/psiTypeProvider/psiType/forDeclaration/suspendFunctionValueParameterNoStdlib.txt

@@ -0,0 +1,2 @@
+KtType: suspend (kotlin.Int) -> kotlin.Unit
+PsiType: PsiType:Function2<? super Integer, ? super NonExistentClass, ? extends Object>

analysis/analysis-api/testData/components/psiTypeProvider/psiType/forDeclaration/suspendFunctionValueParameterWithStdlib.kt

@@ -0,0 +1,2 @@
+// WITH_STDLIB
+fun foo(<caret>p :suspend (Int) -> Unit) {}

analysis/analysis-api/testData/components/psiTypeProvider/psiType/forDeclaration/suspendFunctionValueParameterWithStdlib.txt

@@ -0,0 +1,2 @@
+KtType: suspend (kotlin.Int) -> kotlin.Unit
+PsiType: PsiType:Function2<? super Integer, ? super Continuation<? super Unit>, ? extends Object>

compiler/fir/fir2ir/jvm-backend/src/org/jetbrains/kotlin/fir/backend/jvm/FirJvmTypeMapper.kt

@@ -18,6 +18,7 @@ import org.jetbrains.kotlin.fir.declarations.utils.classId
 import org.jetbrains.kotlin.fir.declarations.utils.isInner
 import org.jetbrains.kotlin.fir.declarations.utils.isLocal
 import org.jetbrains.kotlin.fir.resolve.defaultType
+import org.jetbrains.kotlin.fir.resolve.diagnostics.ConeUnresolvedSymbolError
 import org.jetbrains.kotlin.fir.resolve.fullyExpandedType
 import org.jetbrains.kotlin.fir.resolve.providers.symbolProvider
 import org.jetbrains.kotlin.fir.resolve.toSymbol
@@ -30,6 +31,7 @@ import org.jetbrains.kotlin.fir.symbols.impl.FirTypeParameterSymbol
 import org.jetbrains.kotlin.fir.types.*
 import org.jetbrains.kotlin.fir.types.impl.ConeTypeParameterTypeImpl
 import org.jetbrains.kotlin.load.kotlin.TypeMappingMode
+import org.jetbrains.kotlin.name.ClassId
 import org.jetbrains.kotlin.name.SpecialNames
 import org.jetbrains.kotlin.name.StandardClassIds
 import org.jetbrains.kotlin.types.AbstractTypeMapper
@@ -218,7 +220,7 @@ class ConeTypeSystemCommonBackendContextForTypeMapping(
             is ConeTypeParameterLookupTag -> ConeTypeParameterTypeImpl(this, isNullable = false)
             is ConeClassLikeLookupTag -> {
                 val symbol = toSymbol(session) as? FirRegularClassSymbol
-                    ?: error("Class for $this not found")
+                    ?: return ConeErrorType(ConeUnresolvedSymbolError(classId))
                 symbol.fir.defaultType()
             }
             else -> error("Unsupported type constructor: $this")
@@ -261,12 +263,16 @@ class ConeTypeSystemCommonBackendContextForTypeMapping(
     }
 
     override fun continuationTypeConstructor(): ConeClassLikeLookupTag {
-        return symbolProvider.getClassLikeSymbolByClassId(StandardClassIds.Continuation)?.toLookupTag()
-            ?: error("Continuation class not found")
+        return possiblyErrorTypeConstructorByClassId(StandardClassIds.Continuation)
     }
 
     override fun functionNTypeConstructor(n: Int): TypeConstructorMarker {
         return symbolProvider.getClassLikeSymbolByClassId(StandardClassIds.FunctionN(n))?.toLookupTag()
             ?: error("Function$n class not found")
     }
+
+    private fun possiblyErrorTypeConstructorByClassId(classId: ClassId): ConeClassLikeLookupTag {
+        return symbolProvider.getClassLikeSymbolByClassId(classId)?.toLookupTag()
+            ?: ConeClassLikeErrorLookupTag(classId)
+    }
 }