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aarch64: Add missing error_mark_node check [PR99381]

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We were missing a check in function_resolver::require_vector_type to see
if the argument type was already invalid. This was causing us to attempt
to emit a diagnostic and subsequently ICE in print_type. Fixed thusly.

gcc/ChangeLog:

	PR target/99381
	* config/aarch64/aarch64-sve-builtins.cc
	(function_resolver::require_vector_type): Handle error_mark_node.

gcc/testsuite/ChangeLog:

	PR target/99381
	* gcc.target/aarch64/pr99381.c: New test.
This commit is contained in:
Alex Coplan 2021-03-04 14:36:39 +00:00
parent 9553c8a1b9
commit a6bc1680a4
2 changed files with 13 additions and 0 deletions
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3
gcc/config/aarch64/aarch64-sve-builtins.cc
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@ -1467,6 +1467,9 @@ function_resolver::require_vector_type (unsigned int argno,
{
tree expected = acle_vector_types[0][type];
tree actual = get_argument_type (argno);
if (actual == error_mark_node)
return false;
if (!matches_type_p (expected, actual))
{
error_at (location, "passing %qT to argument %d of %qE, which"

10
gcc/testsuite/gcc.target/aarch64/pr99381.c Normal file
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@ -0,0 +1,10 @@
/* { dg-do compile } */
/* { dg-options "-march=armv8-a" } */
/* PR99381: we shouldn't ICE if the user forgets -march=armv8.2-a+sve. */
#include <arm_sve.h>
_Bool a;
int main()
{
a = svaddv(svptrue_b8(), svdup_s8(0)); /* { dg-error "ACLE function 'svptrue_b8' requires ISA extension 'sve'" } */
}