* [Ada] Prevent use of an uninitialized AST field with universal integer
@ 2021-10-20 19:27 Pierre-Marie de Rodat
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From: Pierre-Marie de Rodat @ 2021-10-20 19:27 UTC (permalink / raw)
To: gcc-patches; +Cc: Piotr Trojanek
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A temporary workaround needed by GNATprove after cleaning up the
handling of AST fields with universal integers.
Tested on x86_64-pc-linux-gnu, committed on trunk
gcc/ada/
* exp_spark.adb (Expand_SPARK_N_Attribute_Reference): Guard
against equality of an uninitialized RM_Size field.
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diff --git a/gcc/ada/exp_spark.adb b/gcc/ada/exp_spark.adb
--- a/gcc/ada/exp_spark.adb
+++ b/gcc/ada/exp_spark.adb
@@ -451,6 +451,7 @@ package body Exp_SPARK is
Apply_Universal_Integer_Attribute_Checks (N);
if Present (Typ)
+ and then Known_RM_Size (Typ)
and then RM_Size (Typ) = RM_Size (Standard_Long_Long_Integer)
then
-- ??? This should rather be a range check, but this would
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2021-10-20 19:27 [Ada] Prevent use of an uninitialized AST field with universal integer Pierre-Marie de Rodat
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