Module: Mesa
Branch: master
Commit: 0847fe6e7fa6ee07420c6eed95bfee036748bc6a
URL:    
http://cgit.freedesktop.org/mesa/mesa/commit/?id=0847fe6e7fa6ee07420c6eed95bfee036748bc6a

Author: Tapani Pälli <[email protected]>
Date:   Sat Mar 14 08:57:02 2020 +0200

glsl: set error_emitted true if type not ok for assignment

Patch changes also existing assert to not trigger when we have
error types in assignment.

v2: simplify, cleanup (Ian)

Closes: https://gitlab.freedesktop.org/mesa/mesa/issues/2629
Fixes: d1fa69ed61d ("glsl: do not attempt assignment if operand type not parsed 
correctly")
Signed-off-by: Tapani Pälli <[email protected]>
Reviewed-by: Ian Romanick <[email protected]>
Tested-by: Marge Bot 
<https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4178>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4178>

---

 src/compiler/glsl/ast_to_hir.cpp | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/src/compiler/glsl/ast_to_hir.cpp b/src/compiler/glsl/ast_to_hir.cpp
index cc1bb16bb64..a66ed5ec52b 100644
--- a/src/compiler/glsl/ast_to_hir.cpp
+++ b/src/compiler/glsl/ast_to_hir.cpp
@@ -1689,8 +1689,11 @@ ast_expression::do_hir(exec_list *instructions,
 
       /* Break out if operand types were not parsed successfully. */
       if ((op[0]->type == glsl_type::error_type ||
-           op[1]->type == glsl_type::error_type))
+           op[1]->type == glsl_type::error_type)) {
+         type = glsl_type::error_type;
+         error_emitted = true;
          break;
+      }
 
       type = arithmetic_result_type(op[0], op[1],
                                     (this->oper == ast_mul_assign),
@@ -2131,7 +2134,7 @@ ast_expression::do_hir(exec_list *instructions,
    }
    }
    type = NULL; /* use result->type, not type. */
-   assert(result != NULL || !needs_rvalue);
+   assert(error_emitted || (result != NULL || !needs_rvalue));
 
    if (result && result->type->is_error() && !error_emitted)
       _mesa_glsl_error(& loc, state, "type mismatch");

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