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Add upstream patch D92052 to fix a gcn offload compiler issue with gcc (Closes: #975692)

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This commit is contained in:
Gianfranco Costamagna 2020-11-25 10:45:21 +01:00
parent 5eb47b5227
commit 85157dae45
3 changed files with 82 additions and 0 deletions
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4
debian/changelog vendored
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@ -1,9 +1,13 @@
llvm-toolchain-snapshot (1:12~++20201124100523+245052ac3080-1~exp1) UNRELEASED; urgency=medium
[ Sylvestre Ledru ]
* experimental New snapshot release
* Workaround a static_assert on https://bugs.llvm.org/show_bug.cgi?id=48259
"static assertion failed: Recycler allocation size is less than object size!"
[ Gianfranco Costamagna ]
* Add upstream patch D92052 to fix a gcn offload compiler issue with gcc (Closes: #975692)
-- Sylvestre Ledru <sylvestre@debian.org> Tue, 24 Nov 2020 10:08:59 +0100
llvm-toolchain-snapshot (1:12~++20201105093023+cc2a2bb5ce5-1~exp1) experimental; urgency=medium

77
debian/patches/D92052.patch vendored Normal file
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@ -0,0 +1,77 @@
Index: llvm/lib/MC/MCParser/ELFAsmParser.cpp
===================================================================
--- a/llvm/lib/MC/MCParser/ELFAsmParser.cpp
+++ b/llvm/lib/MC/MCParser/ELFAsmParser.cpp
@@ -652,10 +652,13 @@
!(SectionName == ".eh_frame" && Type == ELF::SHT_PROGBITS))
Error(loc, "changed section type for " + SectionName + ", expected: 0x" +
utohexstr(Section->getType()));
- if (Section->getFlags() != Flags)
+ // Check that flags are used consistently. However, the GNU assembler permits
+ // to leave out in subsequent uses of the same sections; for compatibility,
+ // do likewise.
+ if ((Flags || Size || !TypeName.empty()) && Section->getFlags() != Flags)
Error(loc, "changed section flags for " + SectionName + ", expected: 0x" +
utohexstr(Section->getFlags()));
- if (Section->getEntrySize() != Size)
+ if ((Flags || Size || !TypeName.empty()) && Section->getEntrySize() != Size)
Error(loc, "changed section entsize for " + SectionName +
", expected: " + Twine(Section->getEntrySize()));
Index: llvm/test/MC/ELF/section-entsize-changed.s
===================================================================
--- a/llvm/test/MC/ELF/section-entsize-changed.s
+++ b/llvm/test/MC/ELF/section-entsize-changed.s
@@ -10,3 +10,26 @@
.pushsection .foo,"aM",@progbits,4
.pushsection .foo,"aM",@progbits,1
+
+
+bar:
+.section .bar,"ax",@progbits
+
+.section .bar
+
+# CHECK: {{.*}}.s:[[# @LINE+1]]:1: error: changed section flags for .bar, expected: 0x6
+.section .bar,"awx",@progbits
+
+# CHECK: {{.*}}.s:[[# @LINE+1]]:1: error: changed section flags for .bar, expected: 0x6
+.pushsection .bar,"a",@progbits
+
+.pushsection .bar
+
+foobar:
+.section .foobar,"ax",@progbits; .byte 1
+
+# CHECK: {{.*}}.s:[[# @LINE+1]]:1: error: changed section flags for .foobar, expected: 0x6
+.section .foobar,"",@progbits; .byte 2
+
+# CHECK: {{.*}}.s:[[# @LINE+1]]:1: error: changed section flags for .foobar, expected: 0x6
+.section .foobar,"a",@progbits; .byte 3
Index: llvm/test/MC/ELF/section-omitted-attributes.s
===================================================================
--- /dev/null
+++ llvm/test/MC/ELF/section-omitted-attributes.s
@@ -0,0 +1,21 @@
+# RUN: llvm-mc -triple=x86_64 %s -o - | FileCheck %s
+
+// CHECK: .section .foo,"aM",@progbits,1
+// CHECK: .section .bar,"aM",@progbits,4
+
+foo:
+.section .foo,"aM",@progbits,1
+
+.section .foo
+
+.pushsection .foo
+
+.pushsection .foo
+
+.section .bar,"aM",@progbits,4
+
+.section .bar
+
+.pushsection .bar,"aM",@progbits,4
+
+.pushsection .bar

1
debian/patches/series vendored
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@ -136,3 +136,4 @@ print-lldb-path.patch
libcxx-armhf-ftbfs.diff
lld-use-link-atomic-i386.diff
workaround-bug-48259.diff
D92052.patch