Commit 644da9b3 authored by John Clarke's avatar John Clarke Committed by Richard Henderson
Browse files

tcg: Fix highwater check 



A simple typo in the variable to use when comparing vs the highwater mark.
Reports are that qemu can in fact segfault occasionally due to this mistake.

Signed-off-by: default avatarJohn Clarke <johnc@kirriwa.net>
Signed-off-by: default avatarRichard Henderson <rth@twiddle.net>
parent 541abd10

tcg/tcg.c

+1 −1
Original line number Diff line number Diff line
@@ -2443,7 +2443,7 @@ int tcg_gen_code(TCGContext *s, tcg_insn_unit *gen_code_buf) 
           one operation beginning below the high water mark cannot overrun

           the buffer completely.  Thus we can test for overflow after

           generating code without having to check during generation.  */

        if (unlikely(s->code_gen_ptr > s->code_gen_highwater)) {

        if (unlikely((void *)s->code_ptr > s->code_gen_highwater)) {

            return -1;

        }

    }