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authorRafael Espindola <rafael.espindola@gmail.com>2011-05-26 18:59:54 +0000
committerRafael Espindola <rafael.espindola@gmail.com>2011-05-26 18:59:54 +0000
commitc9687b32fab6d6ec53ac95dccf61d598be26d5dc (patch)
tree08cb1ea6008de3081040e21808035a2e039347de
parentcf0cd8005c81853ddea3ce26b71491c48dc4984e (diff)
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Fix LTO builds with xcode 4.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132132 91177308-0d34-0410-b5e6-96231b3b80d8
-rw-r--r--lib/Bitcode/Reader/BitcodeReader.cpp12
1 files changed, 11 insertions, 1 deletions
diff --git a/lib/Bitcode/Reader/BitcodeReader.cpp b/lib/Bitcode/Reader/BitcodeReader.cpp
index 19f57cf..c4ef57c 100644
--- a/lib/Bitcode/Reader/BitcodeReader.cpp
+++ b/lib/Bitcode/Reader/BitcodeReader.cpp
@@ -1588,8 +1588,18 @@ bool BitcodeReader::ParseBitcodeInto(Module *M) {
while (!Stream.AtEndOfStream()) {
unsigned Code = Stream.ReadCode();
- if (Code != bitc::ENTER_SUBBLOCK)
+ if (Code != bitc::ENTER_SUBBLOCK) {
+
+ // The ranlib in xcode 4 will align archive members by appending newlines to the
+ // end of them. If this file size is a multiple of 4 but not 8, we have to read and
+ // ignore these final 4 bytes :-(
+ if (Stream.GetAbbrevIDWidth() == 2 && Code == 2 &&
+ Stream.Read(6) == 2 && Stream.Read(24) == 0xa0a0a &&
+ Stream.AtEndOfStream())
+ return false;
+
return Error("Invalid record at top-level");
+ }
unsigned BlockID = Stream.ReadSubBlockID();