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-rw-r--r--gcc/go/gofrontend/MERGE2
-rw-r--r--gcc/go/gofrontend/expressions.cc16
2 files changed, 17 insertions, 1 deletions
diff --git a/gcc/go/gofrontend/MERGE b/gcc/go/gofrontend/MERGE
index ef20a0a..4559551 100644
--- a/gcc/go/gofrontend/MERGE
+++ b/gcc/go/gofrontend/MERGE
@@ -1,4 +1,4 @@
-70ca85f08edf63f46c87d540fa99c45e2903edc2
+fbadca004b1e09db177c8e071706841038d1dd64
The first line of this file holds the git revision number of the last
merge done from the gofrontend repository.
diff --git a/gcc/go/gofrontend/expressions.cc b/gcc/go/gofrontend/expressions.cc
index 1b3b3bf..dce48e0 100644
--- a/gcc/go/gofrontend/expressions.cc
+++ b/gcc/go/gofrontend/expressions.cc
@@ -17266,6 +17266,8 @@ Composite_literal_expression::lower_map(Gogo* gogo, Named_object* function,
Location location = this->location();
Unordered_map(unsigned int, std::vector<Expression*>) st;
Unordered_map(unsigned int, std::vector<Expression*>) nt;
+ bool saw_false = false;
+ bool saw_true = false;
if (this->vals_ != NULL)
{
if (!this->has_keys_)
@@ -17300,6 +17302,7 @@ Composite_literal_expression::lower_map(Gogo* gogo, Named_object* function,
continue;
std::string sval;
Numeric_constant nval;
+ bool bval;
if ((*p)->string_constant_value(&sval)) // Check string keys.
{
unsigned int h = Gogo::hash_string(sval, 0);
@@ -17373,6 +17376,19 @@ Composite_literal_expression::lower_map(Gogo* gogo, Named_object* function,
mit->second.push_back(*p);
}
}
+ else if ((*p)->boolean_constant_value(&bval))
+ {
+ if ((bval && saw_true) || (!bval && saw_false))
+ {
+ go_error_at((*p)->location(),
+ "duplicate key in map literal");
+ return Expression::make_error(location);
+ }
+ if (bval)
+ saw_true = true;
+ else
+ saw_false = true;
+ }
}
}