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-rw-r--r--src/glsl/ast_to_hir.cpp9
1 files changed, 9 insertions, 0 deletions
diff --git a/src/glsl/ast_to_hir.cpp b/src/glsl/ast_to_hir.cpp
index a57ce5058e1..e1f95081378 100644
--- a/src/glsl/ast_to_hir.cpp
+++ b/src/glsl/ast_to_hir.cpp
@@ -3187,6 +3187,15 @@ ast_declarator_list::hir(exec_list *instructions,
_mesa_glsl_error(& loc, state,
"undeclared variable `%s' cannot be marked "
"precise", decl->identifier);
+ } else if (state->current_function != NULL &&
+ !state->symbols->name_declared_this_scope(decl->identifier)) {
+ /* Note: we have to check if we're in a function, since
+ * builtins are treated as having come from another scope.
+ */
+ _mesa_glsl_error(& loc, state,
+ "variable `%s' from an outer scope may not be "
+ "redeclared `precise' in this scope",
+ earlier->name);
} else if (earlier->data.used) {
_mesa_glsl_error(& loc, state,
"variable `%s' may not be redeclared "