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Diffstat (limited to 'src/cmd/8c/txt.c')
| -rw-r--r-- | src/cmd/8c/txt.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/cmd/8c/txt.c b/src/cmd/8c/txt.c index 0dd387d11..b2e0148a0 100644 --- a/src/cmd/8c/txt.c +++ b/src/cmd/8c/txt.c @@ -397,6 +397,10 @@ regsalloc(Node *n, Node *nn) void regaalloc1(Node *n, Node *nn) { + if(REGARG < 0) { + fatal(n, "regaalloc1 and REGARG<0"); + return; + } nodreg(n, nn, REGARG); reg[REGARG]++; curarg = align(curarg, nn->type, Aarg1, nil); |