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-rw-r--r--llvm/lib/Object/Archive.cpp10
-rw-r--r--llvm/test/tools/llvm-ar/Inputs/msvc-import.lib2
-rw-r--r--llvm/test/tools/llvm-ar/empty-uid-gid.test3
3 files changed, 13 insertions, 2 deletions
diff --git a/llvm/lib/Object/Archive.cpp b/llvm/lib/Object/Archive.cpp
index 4e9a18ee40c..4720bf894e9 100644
--- a/llvm/lib/Object/Archive.cpp
+++ b/llvm/lib/Object/Archive.cpp
@@ -69,14 +69,20 @@ sys::TimeValue ArchiveMemberHeader::getLastModified() const {
unsigned ArchiveMemberHeader::getUID() const {
unsigned Ret;
- if (StringRef(UID, sizeof(UID)).rtrim(' ').getAsInteger(10, Ret))
+ StringRef User = StringRef(UID, sizeof(UID)).rtrim(' ');
+ if (User.empty())
+ return 0;
+ if (User.getAsInteger(10, Ret))
llvm_unreachable("UID time not a decimal number.");
return Ret;
}
unsigned ArchiveMemberHeader::getGID() const {
unsigned Ret;
- if (StringRef(GID, sizeof(GID)).rtrim(' ').getAsInteger(10, Ret))
+ StringRef Group = StringRef(GID, sizeof(GID)).rtrim(' ');
+ if (Group.empty())
+ return 0;
+ if (Group.getAsInteger(10, Ret))
llvm_unreachable("GID time not a decimal number.");
return Ret;
}
diff --git a/llvm/test/tools/llvm-ar/Inputs/msvc-import.lib b/llvm/test/tools/llvm-ar/Inputs/msvc-import.lib
new file mode 100644
index 00000000000..224125bafce
--- /dev/null
+++ b/llvm/test/tools/llvm-ar/Inputs/msvc-import.lib
@@ -0,0 +1,2 @@
+!<arch>
+library.dll/ 28800 0 0 `
diff --git a/llvm/test/tools/llvm-ar/empty-uid-gid.test b/llvm/test/tools/llvm-ar/empty-uid-gid.test
new file mode 100644
index 00000000000..f289089f81a
--- /dev/null
+++ b/llvm/test/tools/llvm-ar/empty-uid-gid.test
@@ -0,0 +1,3 @@
+RUN: llvm-ar tv %S/Inputs/msvc-import.lib | FileCheck %s
+
+CHECK: --------- 0/0 0 1970-01-01 00:00:00.000000000 library.dll
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