Backport PR #10993: fix execution count when custom exception is caught during compile

IPython/core/interactiveshell.py

@@ -2626,6 +2626,8 b' class InteractiveShell(SingletonConfigurable):'
             result.execution_count = self.execution_count
 
         def error_before_exec(value):
+            if store_history:
+                self.execution_count += 1
             result.error_before_exec = value
             self.last_execution_succeeded = False
             return result
@@ -2689,14 +2691,10 b' class InteractiveShell(SingletonConfigurable):'
                     return error_before_exec(e)
                 except IndentationError as e:
                     self.showindentationerror()
-                    if store_history:
-                        self.execution_count += 1
                     return error_before_exec(e)
                 except (OverflowError, SyntaxError, ValueError, TypeError,
                         MemoryError) as e:
                     self.showsyntaxerror()
-                    if store_history:
-                        self.execution_count += 1
                     return error_before_exec(e)
 
                 # Apply AST transformations
@@ -2704,8 +2702,6 b' class InteractiveShell(SingletonConfigurable):'
                     code_ast = self.transform_ast(code_ast)
                 except InputRejected as e:
                     self.showtraceback()
-                    if store_history:
-                        self.execution_count += 1
                     return error_before_exec(e)
 
                 # Give the displayhook a reference to our ExecutionResult so it

IPython/core/tests/test_interactiveshell.py

@@ -948,3 +948,14 b' def wrn():'
         with tt.AssertNotPrints("I AM  A WARNING"):
             ip.run_cell("wrn()")
         ip.run_cell("del wrn")
+
+
+def test_custom_exc_count():
+    hook = mock.Mock(return_value=None)
+    ip.set_custom_exc((SyntaxError,), hook)
+    before = ip.execution_count
+    ip.run_cell("def foo()", store_history=True)
+    # restore default excepthook
+    ip.set_custom_exc((), None)
+    nt.assert_equal(hook.call_count, 1)
+    nt.assert_equal(ip.execution_count, before + 1)