diff options
-rw-r--r-- | lib/MC/MCParser/AsmParser.cpp | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/lib/MC/MCParser/AsmParser.cpp b/lib/MC/MCParser/AsmParser.cpp index c65becf974..f83cd5eb2a 100644 --- a/lib/MC/MCParser/AsmParser.cpp +++ b/lib/MC/MCParser/AsmParser.cpp @@ -1838,7 +1838,7 @@ bool GenericAsmParser::ParseDirectiveLine(StringRef, SMLoc DirectiveLoc) { /// ParseDirectiveLoc -/// ::= .loc FileNumber LineNumber [ColumnPos] [basic_block] [prologue_end] +/// ::= .loc FileNumber [LineNumber] [ColumnPos] [basic_block] [prologue_end] /// [epilogue_begin] [is_stmt VALUE] [isa VALUE] /// The first number is a file number, must have been previously assigned with /// a .file directive, the second number is the line number and optionally the @@ -1855,12 +1855,13 @@ bool GenericAsmParser::ParseDirectiveLoc(StringRef, SMLoc DirectiveLoc) { return TokError("unassigned file number in '.loc' directive"); Lex(); - if (getLexer().isNot(AsmToken::Integer)) - return TokError("unexpected token in '.loc' directive"); - int64_t LineNumber = getTok().getIntVal(); - if (LineNumber < 1) - return TokError("line number less than one in '.loc' directive"); - Lex(); + int64_t LineNumber = 0; + if (getLexer().is(AsmToken::Integer)) { + LineNumber = getTok().getIntVal(); + if (LineNumber < 1) + return TokError("line number less than one in '.loc' directive"); + Lex(); + } int64_t ColumnPos = 0; if (getLexer().is(AsmToken::Integer)) { |