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From beb962ec516f152cef482b229c9adf0390dc3b2c Mon Sep 17 00:00:00 2001
From: Andrew Pinski <apinski@marvell.com>
Date: Thu, 17 Nov 2022 22:03:08 +0000
Subject: [PATCH 047/157] [Backport][SME] Fix PR middle-end/107705: ICE after
reclaration error
Reference: https://gcc.gnu.org/git/?p=gcc.git;a=commit;h=ceba66ee230bb96b0889fc8ec7333c7ffae96d6e
The problem here is after we created a call expression
in the C front-end, we replace the decl type with
an error mark node. We then end up calling
aggregate_value_p with the call expression
with the decl with the error mark as the type
and we ICE.
The fix is to check the function type
after we process the call expression inside
aggregate_value_p to get it.
OK? Bootstrapped and tested on x86_64-linux-gnu with no regressions.
Thanks,
Andrew Pinski
gcc/ChangeLog:
PR middle-end/107705
* function.cc (aggregate_value_p): Return 0 if
the function type was an error operand.
gcc/testsuite/ChangeLog:
* gcc.dg/redecl-22.c: New test.
---
gcc/function.cc | 3 +++
gcc/testsuite/gcc.dg/redecl-22.c | 9 +++++++++
2 files changed, 12 insertions(+)
create mode 100644 gcc/testsuite/gcc.dg/redecl-22.c
diff --git a/gcc/function.cc b/gcc/function.cc
index 28de39dd6..99aa738eb 100644
--- a/gcc/function.cc
+++ b/gcc/function.cc
@@ -2090,6 +2090,9 @@ aggregate_value_p (const_tree exp, const_tree fntype)
if (VOID_TYPE_P (type))
return 0;
+ if (error_operand_p (fntype))
+ return 0;
+
/* If a record should be passed the same as its first (and only) member
don't pass it as an aggregate. */
if (TREE_CODE (type) == RECORD_TYPE && TYPE_TRANSPARENT_AGGR (type))
diff --git a/gcc/testsuite/gcc.dg/redecl-22.c b/gcc/testsuite/gcc.dg/redecl-22.c
new file mode 100644
index 000000000..7758570fa
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/redecl-22.c
@@ -0,0 +1,9 @@
+/* We used to ICE in the gimplifier, PR 107705 */
+/* { dg-do compile } */
+/* { dg-options "-w" } */
+int f (void)
+{
+ int (*p) (void) = 0; // { dg-note "" }
+ return p ();
+ int p = 1; // { dg-error "" }
+}
--
2.33.0
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