X-Git-Url: https://gerrit.simantics.org/r/gitweb?p=simantics%2Fplatform.git;a=blobdiff_plain;f=bundles%2Forg.simantics.scl.compiler%2Fsrc%2Forg%2Fsimantics%2Fscl%2Fcompiler%2Finternal%2Fcodegen%2Fssa%2FSSAFunction.java;fp=bundles%2Forg.simantics.scl.compiler%2Fsrc%2Forg%2Fsimantics%2Fscl%2Fcompiler%2Finternal%2Fcodegen%2Fssa%2FSSAFunction.java;h=b9e8bfbb398e0803977e305533259eb0eb6d4982;hp=ab643f9a15b1669be060ae165c07a403cb3888c3;hb=fad36d463b75c3a9944d875fc627c3533f6da74d;hpb=d5c76b143c0000994bb76c40f0ea74354eb5ce8a

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;