Fix PyCode_Addr2Location when addrq < 0 (GH-95091)

Fidget-Spinner · web-flow · commit a6daaf2a132e · 2022-07-21T14:49:49.000+01:00
diff --git a/Misc/NEWS.d/next/Core and Builtins/2022-07-21-19-19-20.gh-issue-95060.4xdT1f.rst b/Misc/NEWS.d/next/Core and Builtins/2022-07-21-19-19-20.gh-issue-95060.4xdT1f.rst
@@ -0,0 +1,2 @@
+Undocumented ``PyCode_Addr2Location`` function now properly returns when
+``addrq`` argument is less than zero.
diff --git a/Objects/codeobject.c b/Objects/codeobject.c
@@ -971,6 +971,7 @@ PyCode_Addr2Location(PyCodeObject *co, int addrq,
     if (addrq < 0) {
         *start_line = *end_line = co->co_firstlineno;
         *start_column = *end_column = 0;
+        return 1;
     }
     assert(addrq >= 0 && addrq < _PyCode_NBYTES(co));
     PyCodeAddressRange bounds;

Original file line number	Diff line number	Diff line change
`@@ -0,0 +1,2 @@`
	`1`	+Undocumented ``PyCode_Addr2Location`` function now properly returns when
	`2`	+``addrq`` argument is less than zero.
Original file line number	Diff line number	Diff line change
`@@ -971,6 +971,7 @@ PyCode_Addr2Location(PyCodeObject *co, int addrq,`
`971`	`971`	`if (addrq < 0) {`
`972`	`972`	`start_line = end_line = co->co_firstlineno;`
`973`	`973`	`start_column = end_column = 0;`
	`974`	`+ return 1;`
`974`	`975`	`}`
`975`	`976`	`assert(addrq >= 0 && addrq < _PyCode_NBYTES(co));`
`976`	`977`	`PyCodeAddressRange bounds;`