PR3281:crash00.ll: produce this diagnostic instead of crashing:
@t = global i8 0, align 3
^
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61675 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/AsmParser/LLParser.cpp b/lib/AsmParser/LLParser.cpp
index e44e650..1f08ca3 100644
--- a/lib/AsmParser/LLParser.cpp
+++ b/lib/AsmParser/LLParser.cpp
@@ -793,7 +793,11 @@
Alignment = 0;
if (!EatIfPresent(lltok::kw_align))
return false;
- return ParseUInt32(Alignment);
+ LocTy AlignLoc = Lex.getLoc();
+ if (ParseUInt32(Alignment)) return true;
+ if (!isPowerOf2_32(Alignment))
+ return Error(AlignLoc, "alignment is not a power of two");
+ return false;
}
/// ParseOptionalCommaAlignment