gcc{6..11}: import a patch into nixpkgs

fetchurl can't be used on generated patches this way.
The hash doesn't match anymore.  fetchpatch would be an alternative.
This commit is contained in:
Vladimír Čunát 2023-05-26 12:55:25 +02:00
parent 1848a45ab9
commit c98d687fd6
No known key found for this signature in database
GPG key ID: E747DF1F9575A3AA
7 changed files with 98 additions and 30 deletions

View file

@ -53,11 +53,7 @@ let majorVersion = "10";
patches = [
# Fix https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80431
(fetchurl {
name = "fix-bug-80431.patch";
url = "https://gcc.gnu.org/git/?p=gcc.git;a=patch;h=de31f5445b12fd9ab9969dc536d821fe6f0edad0";
sha256 = "0sd52c898msqg7m316zp0ryyj7l326cjcn2y19dcxqp15r74qj0g";
})
../fix-bug-80431.patch
../11/fix-struct-redefinition-on-glibc-2.36.patch
../install-info-files-serially.patch
] ++ optional (targetPlatform != hostPlatform) ../libstdc++-target.patch

View file

@ -57,11 +57,7 @@ let majorVersion = "11";
patches = [
# Fix https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80431
(fetchurl {
name = "fix-bug-80431.patch";
url = "https://gcc.gnu.org/git/?p=gcc.git;a=patch;h=de31f5445b12fd9ab9969dc536d821fe6f0edad0";
sha256 = "0sd52c898msqg7m316zp0ryyj7l326cjcn2y19dcxqp15r74qj0g";
})
../fix-bug-80431.patch
./fix-struct-redefinition-on-glibc-2.36.patch
../install-info-files-serially.patch
] ++ optional (targetPlatform != hostPlatform) ../libstdc++-target.patch

View file

@ -67,11 +67,7 @@ let majorVersion = "6";
../use-source-date-epoch.patch ./0001-Fix-build-for-glibc-2.31.patch
# Fix https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80431
(fetchurl {
name = "fix-bug-80431.patch";
url = "https://gcc.gnu.org/git/?p=gcc.git;a=patch;h=de31f5445b12fd9ab9969dc536d821fe6f0edad0";
sha256 = "0sd52c898msqg7m316zp0ryyj7l326cjcn2y19dcxqp15r74qj0g";
})
../fix-bug-80431.patch
../install-info-files-serially.patch
] ++ optional (targetPlatform != hostPlatform) ../libstdc++-target.patch
++ optional noSysDirs ../no-sys-dirs.patch

View file

@ -58,11 +58,7 @@ let majorVersion = "7";
./0001-Fix-build-for-glibc-2.31.patch
# Fix https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80431
(fetchurl {
name = "fix-bug-80431.patch";
url = "https://gcc.gnu.org/git/?p=gcc.git;a=patch;h=de31f5445b12fd9ab9969dc536d821fe6f0edad0";
sha256 = "0sd52c898msqg7m316zp0ryyj7l326cjcn2y19dcxqp15r74qj0g";
})
../fix-bug-80431.patch
../9/fix-struct-redefinition-on-glibc-2.36.patch
../install-info-files-serially.patch

View file

@ -48,11 +48,7 @@ let majorVersion = "8";
patches = [
# Fix https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80431
(fetchurl {
name = "fix-bug-80431.patch";
url = "https://gcc.gnu.org/git/?p=gcc.git;a=patch;h=de31f5445b12fd9ab9969dc536d821fe6f0edad0";
sha256 = "0sd52c898msqg7m316zp0ryyj7l326cjcn2y19dcxqp15r74qj0g";
})
../fix-bug-80431.patch
../9/fix-struct-redefinition-on-glibc-2.36.patch
../install-info-files-serially.patch
] ++ optional (targetPlatform != hostPlatform) ../libstdc++-target.patch

View file

@ -58,11 +58,7 @@ let majorVersion = "9";
patches = [
./fix-struct-redefinition-on-glibc-2.36.patch
# Fix https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80431
(fetchurl {
name = "fix-bug-80431.patch";
url = "https://gcc.gnu.org/git/?p=gcc.git;a=patch;h=de31f5445b12fd9ab9969dc536d821fe6f0edad0";
sha256 = "0sd52c898msqg7m316zp0ryyj7l326cjcn2y19dcxqp15r74qj0g";
})
../fix-bug-80431.patch
../install-info-files-serially.patch
] ++ optional (targetPlatform != hostPlatform) ../libstdc++-target.patch
++ optional targetPlatform.isNetBSD ../libstdc++-netbsd-ctypes.patch

View file

@ -0,0 +1,92 @@
From de31f5445b12fd9ab9969dc536d821fe6f0edad0 Mon Sep 17 00:00:00 2001
From: Patrick Palka <ppalka@redhat.com>
Date: Mon, 21 Jun 2021 07:54:26 -0400
Subject: [PATCH] c++: conversion to base of vbase in NSDMI [PR80431]
The delayed processing of conversions to a virtual base in an NSDMI
assumes the target base type is a (possibly indirect) virtual base of
the current class, but the target base type could also be a base of a
virtual base, as in the testcase below. Since such a base isn't a part
of CLASSTYPE_VBASECLASSES, we end up miscompiling the testcase due to
the call to build_base_path (with binfo=NULL_TREE) silently returning
error_mark_node. Fix this by using convert_to_base to build the
conversion instead.
PR c++/80431
gcc/cp/ChangeLog:
* tree.c (bot_replace): Use convert_to_base to build the
conversion to the (morally) virtual base.
gcc/testsuite/ChangeLog:
* g++.dg/cpp0x/nsdmi-virtual1a.C: New test.
---
gcc/cp/tree.c | 14 ++++------
gcc/testsuite/g++.dg/cpp0x/nsdmi-virtual1a.C | 28 ++++++++++++++++++++
2 files changed, 33 insertions(+), 9 deletions(-)
create mode 100644 gcc/testsuite/g++.dg/cpp0x/nsdmi-virtual1a.C
diff --git a/gcc/cp/tree.c b/gcc/cp/tree.c
index fec5afaa2be..297da2b1550 100644
--- a/gcc/cp/tree.c
+++ b/gcc/cp/tree.c
@@ -3242,15 +3242,11 @@ bot_replace (tree* t, int* /*walk_subtrees*/, void* data_)
else if (TREE_CODE (*t) == CONVERT_EXPR
&& CONVERT_EXPR_VBASE_PATH (*t))
{
- /* In an NSDMI build_base_path defers building conversions to virtual
- bases, and we handle it here. */
- tree basetype = TYPE_MAIN_VARIANT (TREE_TYPE (TREE_TYPE (*t)));
- vec<tree, va_gc> *vbases = CLASSTYPE_VBASECLASSES (current_class_type);
- int i; tree binfo;
- FOR_EACH_VEC_SAFE_ELT (vbases, i, binfo)
- if (BINFO_TYPE (binfo) == basetype)
- break;
- *t = build_base_path (PLUS_EXPR, TREE_OPERAND (*t, 0), binfo, true,
+ /* In an NSDMI build_base_path defers building conversions to morally
+ virtual bases, and we handle it here. */
+ tree basetype = TREE_TYPE (*t);
+ *t = convert_to_base (TREE_OPERAND (*t, 0), basetype,
+ /*check_access=*/false, /*nonnull=*/true,
tf_warning_or_error);
}
diff --git a/gcc/testsuite/g++.dg/cpp0x/nsdmi-virtual1a.C b/gcc/testsuite/g++.dg/cpp0x/nsdmi-virtual1a.C
new file mode 100644
index 00000000000..dc847cc16e5
--- /dev/null
+++ b/gcc/testsuite/g++.dg/cpp0x/nsdmi-virtual1a.C
@@ -0,0 +1,28 @@
+// PR c++/80431
+// { dg-do run { target c++11 } }
+
+// A variant of nsdmi-virtual1.C where A is only a morally virtual base of B.
+
+struct A
+{
+ A(): i(42) { }
+ int i;
+ int f() { return i; }
+};
+
+struct D : A { int pad; };
+
+struct B : virtual D
+{
+ int j = i + f();
+ int k = A::i + A::f();
+};
+
+struct C: B { int pad; };
+
+int main()
+{
+ C c;
+ if (c.j != 84 || c.k != 84)
+ __builtin_abort();
+}
--
2.31.1