Fix GCC5 build, require explicit this->... in this call inside a lambda (NFC)

Error was:

mlir/lib/Dialect/LLVMIR/IR/LLVMDialect.cpp:2247:36: error: cannot call member function 'mlir::LLVM::FastmathFlags mlir::LLVM::FMFAttr::getFlags() const' without object
     return bitEnumContains(getFlags(), flag);
                                    ^

diff --git a/mlir/lib/Dialect/LLVMIR/IR/LLVMDialect.cpp b/mlir/lib/Dialect/LLVMIR/IR/LLVMDialect.cpp
index b7f7789..cc57b18 100644 (file)
--- a/mlir/lib/Dialect/LLVMIR/IR/LLVMDialect.cpp
+++ b/mlir/lib/Dialect/LLVMIR/IR/LLVMDialect.cpp
@@ -2244,7 +2244,7 @@ static constexpr const FastmathFlags FastmathFlagsList[] = {
 void FMFAttr::print(DialectAsmPrinter &printer) const {
   printer << "fastmath<";
   auto flags = llvm::make_filter_range(FastmathFlagsList, [&](auto flag) {
-    return bitEnumContains(getFlags(), flag);
+    return bitEnumContains(this->getFlags(), flag);
   });
   llvm::interleaveComma(flags, printer,
                         [&](auto flag) { printer << stringifyEnum(flag); });