Fix #2329: don't use invalid initializers.

2020-07-13 00:35:58 -06:00
parent 206886948a
commit 4e13c90944
6 changed files with 176 additions and 2 deletions
--- a/SPIRV/SpvBuilder.cpp
+++ b/SPIRV/SpvBuilder.cpp
@@ -2722,7 +2722,7 @@ Id Builder::accessChainLoad(Decoration precision, Decoration nonUniform, Id resu
                setPrecision(id, precision);
            } else {
                Id lValue = NoResult;
-                if (spvVersion >= Spv_1_4) {
+                if (spvVersion >= Spv_1_4 && isValidInitializer(accessChain.base)) {
                    // make a new function variable for this r-value, using an initializer,
                    // and mark it as NonWritable so that downstream it can be detected as a lookup
                    // table