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authorEric Botcazou <ebotcazou@adacore.com>2023-02-14 13:27:18 +0100
committerEric Botcazou <ebotcazou@adacore.com>2023-02-14 13:27:18 +0100
commit1434eee54e57ad4839c0697f1294f9e8fe0a3044 (patch)
treeda2846f853832ef36475a49fec7616de51c1b26a /gcc
parenta16fc9333f1762d9b5a9da7239fe6a5cc9a6d190 (diff)
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Fix small regression in Ada
gcc/ * gimplify.cc (gimplify_save_expr): Add missing guard. gcc/ada/ * gcc-interface/trans.cc (gnat_gimplify_expr): Add missing guard. gcc/testsuite/ * gnat.dg/shift2.adb: New test.
Diffstat (limited to 'gcc')
-rw-r--r--gcc/ada/gcc-interface/trans.cc4
-rw-r--r--gcc/gimplify.cc2
-rw-r--r--gcc/testsuite/gnat.dg/shift2.adb8
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;