1 files changed, 15 insertions, 6 deletions
diff --git a/thirdparty/glslang/SPIRV/SPVRemapper.cpp b/thirdparty/glslang/SPIRV/SPVRemapper.cpp
index 56d7f431a7..fdfbeb90cd 100644
--- a/thirdparty/glslang/SPIRV/SPVRemapper.cpp
+++ b/thirdparty/glslang/SPIRV/SPVRemapper.cpp
@@ -297,15 +297,21 @@ namespace spv {
     std::string spirvbin_t::literalString(unsigned word) const
     {
         std::string literal;
+        const spirword_t * pos = spv.data() + word;
 
         literal.reserve(16);
 
-        const char* bytes = reinterpret_cast<const char*>(spv.data() + word);
-
-        while (bytes && *bytes)
-            literal += *bytes++;
-
-        return literal;
+        do {
+            spirword_t word = *pos;
+            for (int i = 0; i < 4; i++) {
+                char c = word & 0xff;
+                if (c == '\0')
+                    return literal;
+                literal += c;
+                word >>= 8;
+            }
+            pos++;
+        } while (true);
     }
 
     void spirvbin_t::applyMap()
@@ -544,6 +550,9 @@ namespace spv {
         // Extended instructions: currently, assume everything is an ID.
         // TODO: add whatever data we need for exceptions to that
         if (opCode == spv::OpExtInst) {
+
+            idFn(asId(word)); // Instruction set is an ID that also needs to be mapped
+
             word        += 2; // instruction set, and instruction from set
             numOperands -= 2;