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This commit adds such tests. With a GDB that doesn't know that "long double" is 64-bit on x86_64-pc-windows-msvc, we get: FAIL: gdb.base/nodebug.exp: p (long double) mult_long_double(2.0L, 3.0L) FAIL: gdb.base/nodebug.exp: p ((long double (*) (long double, long double)) mult_long_double)(2.0L, 3.0L) FAIL: gdb.base/nodebug.exp: p ((long double (*) (long double, long double)) mult_long_double)(2, 3) FAIL: gdb.base/nodebug.exp: p ((long double (*) ()) mult_long_double_noproto)(2.0L, 3.0L) Passes cleanly on: - x86_64-pc-linux-gnu - x86_64-w64-mingw32 - x86_64-pc-windows-msvc, with the "long double" fix Change-Id: If9ee749187e1d30fedcba17ae12634f3bd90de2f --- gdb/testsuite/gdb.base/nodebug.c | 13 +++++++++++++ gdb/testsuite/gdb.base/nodebug.exp | 6 ++++++ 2 files changed, 19 insertions(+) diff --git a/gdb/testsuite/gdb.base/nodebug.c b/gdb/testsuite/gdb.base/nodebug.c index c7bc93991b8..275a9d6ff60 100644 --- a/gdb/testsuite/gdb.base/nodebug.c +++ b/gdb/testsuite/gdb.base/nodebug.c @@ -72,6 +72,12 @@ mult (double v1, double v2) return v1 * v2; } +long double +mult_long_double (long double v1, long double v2) +{ + return v1 * v2; +} + double mult_noproto (v1, v2) double v1, v2; @@ -79,6 +85,13 @@ mult_noproto (v1, v2) return v1 * v2; } +long double +mult_long_double_noproto (v1, v2) + long double v1, v2; +{ + return v1 * v2; +} + uint8_t add8 (uint8_t v1, uint8_t v2) { diff --git a/gdb/testsuite/gdb.base/nodebug.exp b/gdb/testsuite/gdb.base/nodebug.exp index e4138a801da..1a16e86ed2c 100644 --- a/gdb/testsuite/gdb.base/nodebug.exp +++ b/gdb/testsuite/gdb.base/nodebug.exp @@ -78,6 +78,12 @@ proc test_call_promotion {} { gdb_test "p ((double (*) ()) mult_noproto)(2.0f, 3.0f)" " = 6" gdb_test "p ((double (*) ()) mult_noproto)(2.0, 3.0)" " = 6" + # Same, but for long double. + gdb_test "p (long double) mult_long_double(2.0L, 3.0L)" " = 6" + gdb_test "p ((long double (*) (long double, long double)) mult_long_double)(2.0L, 3.0L)" " = 6" + gdb_test "p ((long double (*) (long double, long double)) mult_long_double)(2, 3)" " = 6" + gdb_test "p ((long double (*) ()) mult_long_double_noproto)(2.0L, 3.0L)" " = 6" + # Check that GDB promotes char->int correctly. gdb_test "p /d (uint8) add8((uint8) 2, (uint8) 3)" " = 5" gdb_test "p /d ((uint8 (*) (uint8, uint8)) add8)((uint8) 2, (uint8) 3)" " = 5" -- 2.54.0