dart2js cps: Remove code after calls that cannot return.

tests/co19/co19-dart2js.status

Index: tests/co19/co19-dart2js.status
diff --git a/tests/co19/co19-dart2js.status b/tests/co19/co19-dart2js.status
index 224f6201e63b7ab201d901b5cb7594fe487f7b0d..cefb85c399a4190475cd11811f5e8cddf779647a 100644
--- a/tests/co19/co19-dart2js.status
+++ b/tests/co19/co19-dart2js.status
@@ -9578,6 +9578,8 @@ Language/12_Expressions/13_Property_Extraction_A03_t01: RuntimeError # Cannot re
 Language/12_Expressions/13_Property_Extraction_A03_t02: RuntimeError # Cannot read property 'call' of undefined
 Language/12_Expressions/13_Property_Extraction_A03_t03: RuntimeError # Cannot read property 'call' of undefined
 Language/12_Expressions/15_Method_Invocation/4_Super_Invocation_A01_t01: RuntimeError # Cannot read property 'call' of undefined
+Language/12_Expressions/28_Postfix_Expressions_A01_t05: Crash # Class 'PartialMethodElement' has no instance getter 'initializer'.
+Language/12_Expressions/27_Unary_Expressions_A01_t05: Crash # Class 'PartialMethodElement' has no instance getter 'initializer'.
 Language/12_Expressions/30_Identifier_Reference_A09_t03: Crash # (i=0): For-loop variable captured in loop header
 Language/13_Statements/06_For_A01_t07: Crash # unsupported operation on erroneous element
 Language/13_Statements/12_Labels_A03_t04: Crash # (switch (i){L:case 0:flag=true;break;case 2:continue L;}): continue to a labeled switch case