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-rw-r--r--src/mesa/shader/slang/slang_codegen.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/src/mesa/shader/slang/slang_codegen.c b/src/mesa/shader/slang/slang_codegen.c
index e5a2c61d4f3..6cadd2c2507 100644
--- a/src/mesa/shader/slang/slang_codegen.c
+++ b/src/mesa/shader/slang/slang_codegen.c
@@ -2729,7 +2729,11 @@ _slang_assignment_compatible(slang_assemble_ctx *A,
slang_typeinfo t0, t1;
GLuint sz0, sz1;
-
+ if (op0->type == SLANG_OPER_POSTINCREMENT ||
+ op0->type == SLANG_OPER_POSTDECREMENT) {
+ return GL_FALSE;
+ }
+
slang_typeinfo_construct(&t0);
_slang_typeof_operation(A, op0, &t0);