In some error cases, it's not possible to produce a valid &
correct IR for the concerned function. For exemple, if the
AST contains invalid gotos, the CFG will either be invalid
or won't correspond to the erroneous source code.
So, refuse to linearize such functions.
Signed-off-by: Luc Van Oostenryck <luc.vanoostenryck@xxxxxxxxx>
---
linearize.c | 2 +-
symbol.h | 1 +
2 files changed, 2 insertions(+), 1 deletion(-)
diff --git a/linearize.c b/linearize.c
index b040d345d469..4927468183b0 100644
--- a/linearize.c
+++ b/linearize.c
@@ -2480,7 +2480,7 @@ static struct entrypoint *linearize_fn(struct symbol *sym, struct symbol *base_t
pseudo_t result;
int i;
- if (!stmt)
+ if (!stmt || sym->bogus_linear)
return NULL;
ep = alloc_entrypoint();
diff --git a/symbol.h b/symbol.h
index 7241f13df4e4..50dba78a654a 100644
--- a/symbol.h
+++ b/symbol.h
@@ -171,6 +171,7 @@ struct symbol {
unsigned long offset;
int bit_size;
unsigned int bit_offset:8,
+ bogus_linear:1,
variadic:1,
initialized:1,
examined:1,
--
2.26.2
