Merge "Catch more cases of invalid input and give CompilationErrors."

src/main/java/com/android/tools/r8/ir/regalloc/LinearScanRegisterAllocator.java

diff --git a/src/main/java/com/android/tools/r8/ir/regalloc/LinearScanRegisterAllocator.java b/src/main/java/com/android/tools/r8/ir/regalloc/LinearScanRegisterAllocator.java
index 52b8ab0..0691887 100644
--- a/src/main/java/com/android/tools/r8/ir/regalloc/LinearScanRegisterAllocator.java
+++ b/src/main/java/com/android/tools/r8/ir/regalloc/LinearScanRegisterAllocator.java
@@ -1414,7 +1414,8 @@
     assert spilled.isSpilled();
     assert spilled.getValue().isConstant();
     assert !spilled.isLinked() || spilled.isArgumentInterval();
-    int maxGapSize = 50 * INSTRUCTION_NUMBER_DELTA;
+    // Do not split range if constant is reused by one of the eleven following instruction.
+    int maxGapSize = 11 * INSTRUCTION_NUMBER_DELTA;
     if (!spilled.getUses().isEmpty()) {
       // Split at first use after the spill position and add to unhandled to get a register
       // assigned for rematerialization.