From dd389c2549a4891e044c96b9298efa2a363c744a Mon Sep 17 00:00:00 2001
From: Jakub Jelinek <jakub@redhat.com>
Date: Wed, 15 Jan 2025 09:43:32 +0100
Subject: [PATCH] ipa: Initialize/release global obstack in
process_new_functions [PR116068]
Other spots in cgraphunit.cc already call bitmap_obstack_initialize (NULL);
before running a pass list and bitmap_obstack_release (NULL); after that,
while process_new_functions wasn't doing that and with the new r15-130
bitmap_alloc checking that results in ICE.
2025-01-15 Jakub Jelinek <jakub@redhat.com>
PR ipa/116068
* cgraphunit.cc (symbol_table::process_new_functions): Call
bitmap_obstack_initialize (NULL); and bitmap_obstack_release (NULL)
around processing the functions.
* gcc.dg/graphite/pr116068.c: New test.
---
gcc/cgraphunit.cc | 2 ++
gcc/testsuite/gcc.dg/graphite/pr116068.c | 26 ++++++++++++++++++++++++
2 files changed, 28 insertions(+)
create mode 100644 gcc/testsuite/gcc.dg/graphite/pr116068.c
diff --git a/gcc/cgraphunit.cc b/gcc/cgraphunit.cc
index 284a22bb808f..82f205488e90 100644
--- a/gcc/cgraphunit.cc
+++ b/gcc/cgraphunit.cc
@@ -311,6 +311,7 @@ symbol_table::process_new_functions (void)
{
cgraph_node *node = cgraph_new_nodes[i];
fndecl = node->decl;
+ bitmap_obstack_initialize (NULL);
switch (state)
{
case CONSTRUCTION:
@@ -367,6 +368,7 @@ symbol_table::process_new_functions (void)
gcc_unreachable ();
break;
}
+ bitmap_obstack_release (NULL);
}
cgraph_new_nodes.release ();
diff --git a/gcc/testsuite/gcc.dg/graphite/pr116068.c b/gcc/testsuite/gcc.dg/graphite/pr116068.c
new file mode 100644
index 000000000000..99ff4f8f2e3f
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/graphite/pr116068.c
@@ -0,0 +1,26 @@
+/* PR ipa/116068 */
+/* { dg-do compile { target { lto && { bitint && int128 } } } } */
+/* { dg-options "-Os -flto -ffat-lto-objects -floop-parallelize-all -ftree-parallelize-loops=2 --param=parloops-schedule=dynamic" } */
+
+#if __BITINT_MAXWIDTH__ >= 1024
+typedef _BitInt (1024) A;
+typedef __attribute__((__vector_size__ (16))) char B;
+typedef __attribute__((__vector_size__ (16))) int C;
+B a;
+A b;
+int c;
+unsigned int *p;
+
+void
+foo0 (unsigned _BitInt (512) x)
+{
+ C d = {};
+ _BitInt (1024) e = x | *(A *) __builtin_memset (&b, c, 8);
+ unsigned h = __builtin_stdc_first_leading_zero (*p);
+ C f = *(C *) __builtin_memset (&d, h, 6);
+ B g = (B) f;
+ a = g + (B) (__int128) e;
+}
+#else
+int i;
+#endif
--
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