3037779978
This patch suppresses the generation of the Initial_Condition procedure
tasked with verifying the run-time semantics of the pragma when the
pragma is ignored by means of -gnata, pragma Assertion_Policy, etc.
------------
-- Source --
------------
-- all_asserts_off.adc
pragma Assertion_Policy (Ignore);
-- all_asserts_on.adc
pragma Assertion_Policy (Check);
-- ic_off.adc
pragma Assertion_Policy (Initial_Condition => Ignore);
-- ic_on.adc
pragma Assertion_Policy (Initial_Condition => Check);
-- init_cond.ads
package Init_Cond
with SPARK_Mode,
Initial_Condition => Flag = False
is
Flag : Boolean := True;
procedure Set_Flag;
end Init_Cond;
-- init_cond.adb
package body Init_Cond
with SPARK_Mode
is
procedure Set_Flag is
begin
Flag := True;
end Set_Flag;
end Init_Cond;
----------------------------
-- Compilation and output --
----------------------------
& gcc -c -S -gnatDG init_cond.adb -gnatec=all_asserts_on.adc
& grep -c "Initial_Condition;" init_cond.adb.dg
& grep -c "_elabb" init_cond.s
& gcc -c -S -gnatDG init_cond.adb -gnatec=ic_on.adc
& grep -c "Initial_Condition;" init_cond.adb.dg
& grep -c "_elabb" init_cond.s
& gcc -c -S -gnatDG init_cond.adb -gnatec=all_asserts_off.adc
& grep -c "Initial_Condition;" init_cond.adb.dg
& grep -c "_elabb" init_cond.s
& gcc -c -S -gnatDG init_cond.adb -gnatec=ic_off.adc
& grep -c "Initial_Condition;" init_cond.adb.dg
& grep -c "_elabb" init_cond.s
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2018-12-11 Hristian Kirtchev <kirtchev@adacore.com>
gcc/ada/
* exp_prag.adb (Expand_Pragma_Initial_Condition): Do not
generate an Initial_Condition procedure and a call to it when
the associated pragma is ignored.
* sem_ch10.adb (Analyze_Compilation_Unit): Minor cleanup.
From-SVN: r266977
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