pythongh-92228: disable the compiler's 'small exit block inlining' optimization

iritkatriel · iritkatriel · commit f53cd9d52920 · 2022-07-06T06:45:06.000+01:00
diff --git a/Python/compile.c b/Python/compile.c
@@ -8981,7 +8981,8 @@ jump_thread(struct instr *inst, struct instr *target, int opcode)
 }
 
 /* Maximum size of basic block that should be copied in optimizer */
-#define MAX_COPY_SIZE 4
+/* Set to 0 to disable to optimisation - see gh-92228 */
+#define MAX_COPY_SIZE 0
 
 /* Optimization */
 static int

Original file line number	Diff line number	Diff line change
`@@ -8981,7 +8981,8 @@ jump_thread(struct instr inst, struct instr target, int opcode)`
`8981`	`8981`	`}`
`8982`	`8982`
`8983`	`8983`	`/* Maximum size of basic block that should be copied in optimizer */`
`8984`		`-#define MAX_COPY_SIZE 4`
	`8984`	`+/* Set to 0 to disable to optimisation - see gh-92228 */`
	`8985`	`+#define MAX_COPY_SIZE 0`
`8985`	`8986`
`8986`	`8987`	`/* Optimization */`
`8987`	`8988`	`static int`