Remove unused variable. (GH-27677)

markshannon · web-flow · commit 41bb564cd6ba · 2021-08-09T14:44:26.000+01:00
diff --git a/Python/compile.c b/Python/compile.c
@@ -8610,11 +8610,9 @@ is_exit_without_lineno(basicblock *b) {
 static int
 duplicate_exits_without_lineno(struct compiler *c)
 {
-    basicblock *entry = NULL;
     /* Copy all exit blocks without line number that are targets of a jump.
      */
     for (basicblock *b = c->u->u_blocks; b != NULL; b = b->b_list) {
-        entry = b;
         if (b->b_iused > 0 && is_jump(&b->b_instr[b->b_iused-1])) {
             switch (b->b_instr[b->b_iused-1].i_opcode) {
                 /* Note: Only actual jumps, not exception handlers */
@@ -8638,7 +8636,6 @@ duplicate_exits_without_lineno(struct compiler *c)
             }
         }
     }
-    assert(entry != NULL);
     /* Eliminate empty blocks */
     for (basicblock *b = c->u->u_blocks; b != NULL; b = b->b_list) {
         while (b->b_next && b->b_next->b_iused == 0) {

Original file line number	Diff line number	Diff line change
`@@ -8610,11 +8610,9 @@ is_exit_without_lineno(basicblock *b) {`
`8610`	`8610`	`static int`
`8611`	`8611`	`duplicate_exits_without_lineno(struct compiler *c)`
`8612`	`8612`	`{`
`8613`		`- basicblock *entry = NULL;`
`8614`	`8613`	`/* Copy all exit blocks without line number that are targets of a jump.`
`8615`	`8614`	`*/`
`8616`	`8615`	`for (basicblock *b = c->u->u_blocks; b != NULL; b = b->b_list) {`
`8617`		`- entry = b;`
`8618`	`8616`	`if (b->b_iused > 0 && is_jump(&b->b_instr[b->b_iused-1])) {`
`8619`	`8617`	`switch (b->b_instr[b->b_iused-1].i_opcode) {`
`8620`	`8618`	`/* Note: Only actual jumps, not exception handlers */`
`@@ -8638,7 +8636,6 @@ duplicate_exits_without_lineno(struct compiler *c)`
`8638`	`8636`	`}`
`8639`	`8637`	`}`
`8640`	`8638`	`}`
`8641`		`- assert(entry != NULL);`
`8642`	`8639`	`/* Eliminate empty blocks */`
`8643`	`8640`	`for (basicblock *b = c->u->u_blocks; b != NULL; b = b->b_list) {`
`8644`	`8641`	`while (b->b_next && b->b_next->b_iused == 0) {`