[DebugInfo] Accept `S` in augmentation strings in CIE.
glibc libc.a(sigaction.o) compiled from sysdeps/unix/sysv/linux/x86_64/sigaction.c uses "zRS".
llvm-svn: 331738
diff --git a/llvm/lib/DebugInfo/DWARF/DWARFDebugFrame.cpp b/llvm/lib/DebugInfo/DWARF/DWARFDebugFrame.cpp
index b9dc215..6c61763 100644
--- a/llvm/lib/DebugInfo/DWARF/DWARFDebugFrame.cpp
+++ b/llvm/lib/DebugInfo/DWARF/DWARFDebugFrame.cpp
@@ -430,6 +430,9 @@
case 'R':
FDEPointerEncoding = Data.getU8(&Offset);
break;
+ case 'S':
+ // Current frame is a signal trampoline.
+ break;
case 'z':
if (i)
ReportError(StartOffset,
diff --git a/llvm/tools/llvm-dwarfdump/llvm-dwarfdump.cpp b/llvm/tools/llvm-dwarfdump/llvm-dwarfdump.cpp
index 952010c..273c535 100644
--- a/llvm/tools/llvm-dwarfdump/llvm-dwarfdump.cpp
+++ b/llvm/tools/llvm-dwarfdump/llvm-dwarfdump.cpp
@@ -565,7 +565,7 @@
ShowChildren = true;
// Defaults to a.out if no filenames specified.
- if (InputFilenames.size() == 0)
+ if (InputFilenames.empty())
InputFilenames.push_back("a.out");
// Expand any .dSYM bundles to the individual object files contained therein.