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-rw-r--r--llvm/lib/MC/MCParser/AsmParser.cpp3
-rw-r--r--llvm/test/MC/AsmParser/debug-only-comments.s6
2 files changed, 9 insertions, 0 deletions
diff --git a/llvm/lib/MC/MCParser/AsmParser.cpp b/llvm/lib/MC/MCParser/AsmParser.cpp
index ee9ed0d27c2..b2ff1e1dc47 100644
--- a/llvm/lib/MC/MCParser/AsmParser.cpp
+++ b/llvm/lib/MC/MCParser/AsmParser.cpp
@@ -900,6 +900,9 @@ bool AsmParser::Run(bool NoInitialTextSection, bool NoFinalize) {
eatToEndOfStatement();
}
+ // Make sure we get proper DWARF even for empty files.
+ (void)enabledGenDwarfForAssembly();
+
getTargetParser().onEndOfFile();
printPendingErrors();
diff --git a/llvm/test/MC/AsmParser/debug-only-comments.s b/llvm/test/MC/AsmParser/debug-only-comments.s
new file mode 100644
index 00000000000..0330653498b
--- /dev/null
+++ b/llvm/test/MC/AsmParser/debug-only-comments.s
@@ -0,0 +1,6 @@
+ # RUN: llvm-mc -triple i386-linux-gnu -g -dwarf-version 4 < %s | FileCheck %s
+ # RUN: llvm-mc -triple i386-linux-gnu -g -dwarf-version 5 < %s | FileCheck %s
+ # CHECK: .section .debug_info
+ # CHECK: .section .debug_info
+ # CHECK-NOT: .section
+ # CHECK: .ascii "<stdin>"
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