diff options
Diffstat (limited to 'expr.c')
| -rw-r--r-- | expr.c | 11 |
1 files changed, 8 insertions, 3 deletions
@@ -698,6 +698,7 @@ primaryexpr(struct scope *s) break; default: error(&tok.loc, "expected primary expression"); + return NULL; /* unreachable */ } return e; @@ -848,6 +849,7 @@ builtinfunc(struct scope *s, enum builtinkind kind) break; default: fatal("internal error; unknown builtin"); + return NULL; /* unreachable */ } return e; } @@ -1055,6 +1057,7 @@ unaryexpr(struct scope *s) e = unaryexpr(s); } else { error(&tok.loc, "expected ')' after '_Alignof'"); + return NULL; /* unreachable */ } if (!t) { if (e->decayed) @@ -1200,12 +1203,14 @@ condexpr(struct scope *s) tq = lt->qual | rt->qual; lt = lt->base; rt = rt->base; - if (lt == &typevoid || rt == &typevoid) + if (lt == &typevoid || rt == &typevoid) { t = &typevoid; - else if (typecompatible(lt, rt)) + } else if (typecompatible(lt, rt)) { t = typecomposite(lt, rt); - else + } else { error(&tok.loc, "operands of conditional operator must have compatible types"); + return NULL; /* unreachable */ + } t = mkpointertype(t, tq); } else { error(&tok.loc, "invalid operands to conditional operator"); |