diff options
| -rw-r--r-- | gcc/ada/gcc-interface/trans.cc | 4 | ||||
| -rw-r--r-- | gcc/gimplify.cc | 2 | ||||
| -rw-r--r-- | gcc/testsuite/gnat.dg/shift2.adb | 8 |
3 files changed, 12 insertions, 2 deletions
diff --git a/gcc/ada/gcc-interface/trans.cc b/gcc/ada/gcc-interface/trans.cc index 28e3867..5fc1a26 100644 --- a/gcc/ada/gcc-interface/trans.cc +++ b/gcc/ada/gcc-interface/trans.cc @@ -9049,7 +9049,9 @@ gnat_gimplify_expr (tree *expr_p, gimple_seq *pre_p, /* Propagate TREE_NO_WARNING from expression to temporary by using the SAVE_EXPR itself as an intermediate step. See gimplify_save_expr. */ - if (SAVE_EXPR_RESOLVED_P (expr)) + if (type == void_type_node) + ; + else if (SAVE_EXPR_RESOLVED_P (expr)) TREE_NO_WARNING (op) = TREE_NO_WARNING (expr); else TREE_NO_WARNING (expr) = TREE_NO_WARNING (op); diff --git a/gcc/gimplify.cc b/gcc/gimplify.cc index 1b362dd..9684515 100644 --- a/gcc/gimplify.cc +++ b/gcc/gimplify.cc @@ -6441,7 +6441,7 @@ gimplify_save_expr (tree *expr_p, gimple_seq *pre_p, gimple_seq *post_p) gcc_assert (TREE_CODE (*expr_p) == SAVE_EXPR); val = TREE_OPERAND (*expr_p, 0); - if (TREE_TYPE (val) == error_mark_node) + if (val && TREE_TYPE (val) == error_mark_node) return GS_ERROR; /* If the SAVE_EXPR has not been resolved, then evaluate it once. */ diff --git a/gcc/testsuite/gnat.dg/shift2.adb b/gcc/testsuite/gnat.dg/shift2.adb new file mode 100644 index 0000000..b45e440 --- /dev/null +++ b/gcc/testsuite/gnat.dg/shift2.adb @@ -0,0 +1,8 @@ +-- { dg-do compile } + +with Interfaces; use Interfaces; + +function Shift2 (V : Unsigned_32) return Unsigned_32 is +begin + return Shift_Left (V, (case V is when 0 => 1, when others => 0)); +end; |