rustc_codegen_gcc: proper check for may_unwind

Author: cynecx

compiler/rustc_codegen_gcc/src/asm.rs

@@ -118,8 +118,8 @@ impl<'a, 'gcc, 'tcx> AsmBuilderMethods<'tcx> for Builder<'a, 'gcc, 'tcx> {
         true
     }
 
-    fn codegen_inline_asm(&mut self, template: &[InlineAsmTemplatePiece], rust_operands: &[InlineAsmOperandRef<'tcx, Self>], options: InlineAsmOptions, span: &[Span], _instance: Instance<'_>, dest_catch_funclet: Option<(Self::BasicBlock, Self::BasicBlock, Option<&Self::Funclet>)>) {
-        if dest_catch_funclet.is_some() {
+    fn codegen_inline_asm(&mut self, template: &[InlineAsmTemplatePiece], rust_operands: &[InlineAsmOperandRef<'tcx, Self>], options: InlineAsmOptions, span: &[Span], _instance: Instance<'_>, _dest_catch_funclet: Option<(Self::BasicBlock, Self::BasicBlock, Option<&Self::Funclet>)>) {
+        if options.contains(InlineAsmOptions::MAY_UNWIND) {
             self.sess()
                 .struct_span_err(span[0], "GCC backend does not support unwinding from inline asm")
                 .emit();