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authorlemon <lsof@mailbox.org>2025-12-01 19:10:53 +0100
committerlemon <lsof@mailbox.org>2025-12-02 14:21:59 +0100
commitc14321c4d35549d989d614437953b36b8c771cc2 (patch)
tree2fb34cd361b0d8ee1d837932e5429c68d6148bdf /ir/builder.c
parent0e7a4cbf1d2655240dd2a7e3c289b1b19148cc64 (diff)
c: make tentative definitions work
Diffstat (limited to 'ir/builder.c')
-rw-r--r--ir/builder.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/ir/builder.c b/ir/builder.c
index 4b25329..ee83961 100644
--- a/ir/builder.c
+++ b/ir/builder.c
@@ -214,7 +214,7 @@ useblk(struct function *fn, struct block *blk)
extern int nerror;
if (fn->curblk && nerror == 0) assert(fn->curblk->jmp.t && "never finished block");
if (blk) assert(!blk->jmp.t && "reusing built block");
- if (!blk->lprev) { /* initialize */
+ if (blk && !blk->lprev) { /* initialize */
blk->lnext = fn->entry;
blk->lprev = fn->entry->lprev;
blk->lprev->lnext = blk;