https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103899
Jakub Jelinek <jakub at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |jakub at gcc dot gnu.org
--- Comment #6 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
While we should fix uninit warning to deal with this if possible, I think we
should also try to work around this in expr.c.
If following works, then I think it would be even a cleanup (as it moves the
context variable declaration to the sole spot where it is used):
--- gcc/expr.c.jj 2022-01-03 10:40:41.203164211 +0100
+++ gcc/expr.c 2022-01-05 14:47:47.684660031 +0100
@@ -10340,7 +10340,6 @@ expand_expr_real_1 (tree exp, rtx target
enum tree_code code = TREE_CODE (exp);
rtx subtarget, original_target;
int ignore;
- tree context;
bool reduce_bit_field;
location_t loc = EXPR_LOCATION (exp);
struct separate_ops ops;
@@ -10579,14 +10578,16 @@ expand_expr_real_1 (tree exp, rtx target
/* Variables inherited from containing functions should have
been lowered by this point. */
if (exp)
- context = decl_function_context (exp);
- gcc_assert (!exp
- || SCOPE_FILE_SCOPE_P (context)
- || context == current_function_decl
- || TREE_STATIC (exp)
- || DECL_EXTERNAL (exp)
- /* ??? C++ creates functions that are not TREE_STATIC. */
- || TREE_CODE (exp) == FUNCTION_DECL);
+ {
+ tree context = decl_function_context (exp);
+ gcc_assert (SCOPE_FILE_SCOPE_P (context)
+ || context == current_function_decl
+ || TREE_STATIC (exp)
+ || DECL_EXTERNAL (exp)
+ /* ??? C++ creates functions that are not
+ TREE_STATIC. */
+ || TREE_CODE (exp) == FUNCTION_DECL);
+ }
/* This is the case of an array whose size is to be determined
from its initializer, while the initializer is still being parsed.
