attribute expansion: Fix spurious stripping of tail expression
This commit fixes the issue reported in #391, but highlights another one, which will be reported.
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41f402f0b1
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@ -249,7 +249,8 @@ public:
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BYTE_STRING,
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INT,
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FLOAT,
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BOOL
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BOOL,
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ERROR
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};
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private:
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@ -274,11 +275,11 @@ public:
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static Literal create_error ()
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{
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return Literal ("", CHAR, PrimitiveCoreType::CORETYPE_UNKNOWN);
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return Literal ("", ERROR, PrimitiveCoreType::CORETYPE_UNKNOWN);
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}
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// Returns whether literal is in an invalid state.
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bool is_error () const { return value_as_string == ""; }
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bool is_error () const { return type == ERROR; }
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};
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/* Forward decl - definition moved to rust-expr.h as it requires LiteralExpr to
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@ -359,6 +359,10 @@ public:
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case AST::Literal::LitType::BOOL:
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type = HIR::Literal::LitType::BOOL;
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break;
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// Error literals should have been stripped during expansion
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case AST::Literal::LitType::ERROR:
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gcc_unreachable ();
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break;
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}
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auto crate_num = mappings->get_current_crate ();
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Analysis::NodeMapping mapping (crate_num, expr.get_node_id (),
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@ -1,3 +1,5 @@
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fn foo (e: &str) -> &str {
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&"" // { dg-bogus "cannot strip expression in this position - outer attributes not allowed" "#391" { xfail *-*-* } }
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// { dg-additional-options "-w" }
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fn foo(e: &str) -> &str { // { dg-bogus "expected" "#391" { xfail *-*-* } }
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&"" // { dg-bogus "expected" "#391" { xfail *-*-* } }
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}
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