sys-devel/llvm: Patch gcc-8 compatibility in <6

Thanks to Ben Chaney for providing the patch.

Closes: https://bugs.gentoo.org/655140

1 files changed, 31 insertions, 0 deletions

diff --git a/sys-devel/llvm/files/5.0.2/0001-Fix-return-type-in-ORC-readMem-client-interface.patch b/sys-devel/llvm/files/5.0.2/0001-Fix-return-type-in-ORC-readMem-client-interface.patch
new file mode 100644
index 000000000000..6eaacec77a84
--- /dev/null
+++ b/sys-devel/llvm/files/5.0.2/0001-Fix-return-type-in-ORC-readMem-client-interface.patch
@@ -0,0 +1,31 @@
+From b25d5675b67bd08e25dd093aaaf8c8f4bb1f822e Mon Sep 17 00:00:00 2001
+From: Tilmann Scheller <tschelle@redhat.com>
+Date: Thu, 1 Feb 2018 11:40:01 -0600
+Subject: [PATCH] Fix return type in ORC readMem() client interface.
+
+GCC 8.0.1 detects the type mismatch and causes the compilation to fail. Clang
+and earlier versions of GCC don't detect the issue.
+
+Fixes rhbz#1540620.
+---
+ include/llvm/ExecutionEngine/Orc/OrcRemoteTargetClient.h | 4 ++--
+ 1 file changed, 2 insertions(+), 2 deletions(-)
+
+diff --git a/include/llvm/ExecutionEngine/Orc/OrcRemoteTargetClient.h b/include/llvm/ExecutionEngine/Orc/OrcRemoteTargetClient.h
+index da02250ba16..bed472e2e0e 100644
+--- a/include/llvm/ExecutionEngine/Orc/OrcRemoteTargetClient.h
++++ b/include/llvm/ExecutionEngine/Orc/OrcRemoteTargetClient.h
+@@ -713,8 +713,8 @@ private:
+ 
+   uint32_t getTrampolineSize() const { return RemoteTrampolineSize; }
+ 
+-  Expected<std::vector<char>> readMem(char *Dst, JITTargetAddress Src,
+-                                      uint64_t Size) {
++  Expected<std::vector<uint8_t>> readMem(char *Dst, JITTargetAddress Src,
++                                         uint64_t Size) {
+     // Check for an 'out-of-band' error, e.g. from an MM destructor.
+     if (ExistingError)
+       return std::move(ExistingError);
+-- 
+2.18.0
+