X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=blobdiff_plain;f=bundles%2Forg.simantics.scl.compiler%2Fsrc%2Forg%2Fsimantics%2Fscl%2Fcompiler%2Finternal%2Fcodegen%2Fssa%2FSSAFunction.java;h=b9e8bfbb398e0803977e305533259eb0eb6d4982;hb=bf5f7cda1b9b64484cc6e53499e38d6785744aec;hp=ab643f9a15b1669be060ae165c07a403cb3888c3;hpb=c26409b1caf2f1e560d37c5befd11b442399c3fe;p=simantics%2Fplatform.git

diff --git a/bundles/org.simantics.scl.compiler/src/org/simantics/scl/compiler/internal/codegen/ssa/SSAFunction.java b/bundles/org.simantics.scl.compiler/src/org/simantics/scl/compiler/internal/codegen/ssa/SSAFunction.java
index ab643f9a1..b9e8bfbb3 100644
--- a/bundles/org.simantics.scl.compiler/src/org/simantics/scl/compiler/internal/codegen/ssa/SSAFunction.java
+++ b/bundles/org.simantics.scl.compiler/src/org/simantics/scl/compiler/internal/codegen/ssa/SSAFunction.java
@@ -359,6 +359,8 @@ public final class SSAFunction extends SSAClosure {
     }
 
     public void mergeBlocks(SSAFunction function) {
+        if(this == function)
+            throw new InternalCompilerError();
         SSABlock block = function.firstBlock;
         while(block != null) {
             SSABlock next = block.next;