fix: fix py27 RAISE_VARARGS_A cause pycdc crash

Author: plusls

ASTree.cpp

@@ -1,6 +1,8 @@
 #include <cstring>
 #include <cstdint>
 #include <stdexcept>
+#include <cstdio>
+#include <cassert> 
 #include <unordered_set>
 #include "ASTree.h"
 #include "FastStack.h"
@@ -1827,6 +1829,12 @@ PycRef<ASTNode> BuildFromCode(PycRef<PycCode> code, PycModule* mod)
                     blocks.pop();
                     curblock = blocks.top();
                     curblock->append(prev.cast<ASTNode>());
+                    // sometimes JUMP ins after raise
+                    // so we should check the end of current block
+                    // current not in block end, skip 1 ins
+                    if (prev->end() != pos) {
+                        bc_next(source, mod, opcode, operand, pos);
+                    }
                 }
             }
             break;
@@ -1848,8 +1856,9 @@ PycRef<ASTNode> BuildFromCode(PycRef<PycCode> code, PycModule* mod)
                     blocks.pop();
                     curblock = blocks.top();
                     curblock->append(prev.cast<ASTNode>());
-
-                    bc_next(source, mod, opcode, operand, pos);
+                    if (prev->end() != pos) {
+                        bc_next(source, mod, opcode, operand, pos);
+                    }                
                 }
             }
             break;