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commit: 934709b268c66b5600591f1e5bbe44c3d1b1e076 |
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Author: Michał Górny <mgorny <AT> gentoo <DOT> org> |
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AuthorDate: Fri Sep 20 06:11:16 2019 +0000 |
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Commit: Michał Górny <mgorny <AT> gentoo <DOT> org> |
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CommitDate: Fri Sep 20 07:34:42 2019 +0000 |
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URL: https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=934709b2 |
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|
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sys-devel/clang: Backport gcc-9 build fix to 9.0.0* |
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|
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Signed-off-by: Michał Górny <mgorny <AT> gentoo.org> |
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|
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sys-devel/clang/clang-9.0.0.9999.ebuild | 3 ++ |
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.../0002-Initialize-all-fields-in-ABIArgInfo.patch | 43 ++++++++++++++++++++++ |
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2 files changed, 46 insertions(+) |
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|
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diff --git a/sys-devel/clang/clang-9.0.0.9999.ebuild b/sys-devel/clang/clang-9.0.0.9999.ebuild |
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index 2322c115940..16f86d8d2b9 100644 |
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--- a/sys-devel/clang/clang-9.0.0.9999.ebuild |
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+++ b/sys-devel/clang/clang-9.0.0.9999.ebuild |
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@@ -68,6 +68,9 @@ PATCHES=( |
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# fix linking in non-native build (without tools-extra) |
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# https://bugs.llvm.org/show_bug.cgi?id=43281 |
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"${FILESDIR}"/9.0.0/0001-clang-unittest-Import-LLVMTestingSupport-if-necessar.patch |
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+ # fix build with gcc-9.0.0 |
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+ # https://bugs.llvm.org/show_bug.cgi?id=40547 |
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+ "${FILESDIR}"/9.0.0/0002-Initialize-all-fields-in-ABIArgInfo.patch |
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) |
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|
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# Multilib notes: |
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|
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diff --git a/sys-devel/clang/files/9.0.0/0002-Initialize-all-fields-in-ABIArgInfo.patch b/sys-devel/clang/files/9.0.0/0002-Initialize-all-fields-in-ABIArgInfo.patch |
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new file mode 100644 |
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index 00000000000..cc397f7c078 |
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--- /dev/null |
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+++ b/sys-devel/clang/files/9.0.0/0002-Initialize-all-fields-in-ABIArgInfo.patch |
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@@ -0,0 +1,43 @@ |
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+From 3398b3f937dd025c81d75a7322a6b7b2205ca8da Mon Sep 17 00:00:00 2001 |
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+From: Serge Guelton <sguelton@××××××.com> |
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+Date: Thu, 19 Sep 2019 00:54:40 +0000 |
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+Subject: [PATCH] Initialize all fields in ABIArgInfo. |
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+ |
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+Due to usage of an uninitialized fields, we end up with |
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+a Conditional jump or move depends on uninitialised value |
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+ |
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+Fixes https://bugs.llvm.org/show_bug.cgi?id=40547 |
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+ |
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+Commited on behalf of Martin Liska <mliska@××××.cz> |
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+ |
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+llvm-svn: 372281 |
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+--- |
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+ clang/include/clang/CodeGen/CGFunctionInfo.h | 10 ++++------ |
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+ 1 file changed, 4 insertions(+), 6 deletions(-) |
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+ |
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+diff --git a/clang/include/clang/CodeGen/CGFunctionInfo.h b/clang/include/clang/CodeGen/CGFunctionInfo.h |
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+index 1f81072e23d..5069d9af42a 100644 |
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+--- a/include/clang/CodeGen/CGFunctionInfo.h |
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++++ b/include/clang/CodeGen/CGFunctionInfo.h |
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+@@ -109,14 +109,12 @@ private: |
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+ UnpaddedCoerceAndExpandType = T; |
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+ } |
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+ |
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+- ABIArgInfo(Kind K) |
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+- : TheKind(K), PaddingInReg(false), InReg(false) { |
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+- } |
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+- |
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+ public: |
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+- ABIArgInfo() |
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++ ABIArgInfo(Kind K = Direct) |
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+ : TypeData(nullptr), PaddingType(nullptr), DirectOffset(0), |
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+- TheKind(Direct), PaddingInReg(false), InReg(false) {} |
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++ TheKind(K), PaddingInReg(false), InAllocaSRet(false), |
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++ IndirectByVal(false), IndirectRealign(false), SRetAfterThis(false), |
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++ InReg(false), CanBeFlattened(false), SignExt(false) {} |
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+ |
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+ static ABIArgInfo getDirect(llvm::Type *T = nullptr, unsigned Offset = 0, |
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+ llvm::Type *Padding = nullptr, |
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+-- |
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+2.23.0 |
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+ |
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